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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 2801. |
Find : 1+2+3+4+………….+(n+1) |
| Answer» [(n+1)(n+2)]/2 | |
| 2802. |
What is the value of tanπ\\8 |
| Answer» (2)^1/2 -1 | |
| 2803. |
If theta is the acute angle between |
| Answer» Pls type full question | |
| 2804. |
What is the difference between show that and prove that in mathematics questions?? |
| Answer» No technical difference. | |
| 2805. |
Pi R 2 Pi R formula |
| Answer» | |
| 2806. |
under route to place under route to place under route to plus two course at theta proving |
| Answer» Solution | |
| 2807. |
Is it possible that function is not continuous but limit exists |
| Answer» Yes | |
| 2808. |
Wasant panchami ki bahut shari badaie..... Happy sarwaswati puja 2 all of u |
| Answer» | |
| 2809. |
Last year paper of maths class 11 |
| Answer» | |
| 2810. |
What is [x] i.e. greatest integer function? |
| Answer» Left integer to xi.e [3.4]=3 | |
| 2811. |
How many ways for arrange of 6 children in circular table |
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Answer» 5!/2 6! |
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| 2812. |
Hi Guys yeah maths solve krne ka koii easy way bata do |
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Answer» Interest is the key role. Always start with very very very easy question. Concept clear rakho and mainly formulae yaad rakho Questions start krne se pehle particular chapter ka concept aana chaiye. |
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| 2813. |
Find value of Tan13π/12 |
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Answer» Tan13π/12=Tan(π+π/12)=tanπ/12=Tan(π/3-π/4)After this apply tan(a+b) formula and you will get the answer tan75tan(45-30)root3-1/root3+1Note root is only on 3 tan pi/12 |
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| 2814. |
Convert 40°20’ into radian measure |
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Answer» 40°20\' = [40×(20/60)]° = [40×(1/3)]° = (121/3)° (121/3)° = 121π/(3×180) = 121π/540 radians |
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| 2815. |
If the standard deviations of the numbers 2,3,2x,11 is 3.5, calculate the possible values of x |
| Answer» | |
| 2816. |
Example no. 15 |
| Answer» Hey! Please mention which chapter? | |
| 2817. |
Find eqution of an effect whose for are (+-4,0) and eccentricity is 1/3 |
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Answer» If que. is Find eq. of an ellipse whose focus are..... ae=4 , e=1/3 than a=4/1/3=12 => a^2= 144 than b^2=a^2(1-e^2) = 144(1-1/9) = 144(8/9) = 16×8 = 128 Therefore required eq. => x^2/144 + y^2/128 = 1 => 8x^2 + 9y^2 = 1152 |
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| 2818. |
19π÷3 |
| Answer» 19.90 | |
| 2819. |
Can anyone give me the questions of VEN N DIAGRAM?? |
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Answer» Try Demorgan\'s law Yes |
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| 2820. |
if 10 th term is the middle term in expansion of (1+x)^n ,nbelongs ro z, write its last term |
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| 2821. |
Find the number of terms in the expansion of (3x+y) power 8 -(3x-y)power 8. |
| Answer» | |
| 2822. |
Convert ( -2 ) into degree measure |
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Answer» 4 Multiply -2 with 180/π |
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| 2823. |
Defined set |
| Answer» Mathematically a set is a well-defined collection of objects or we can say that a number of things that belong together is called a set | |
| 2824. |
Prove that cos2xcosx/2 - cos3xcos9x/2 -- sin5x sin5x/w |
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| 2825. |
Solve the following system inequalities graphically x+y=8,x>=0,y>=0 |
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| 2826. |
(2+3)x2 |
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Answer» ( 2+ 3) × 2 = 5 × 2 = 10 10 |
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| 2827. |
1+itanx find modulas and argument of completion no. |
| Answer» Here; x=1&y=tanxThen, modulus =under root x^2+y^2 =under root 1^2+(tanx) ^2 =1+(tanx) ^2 =(secx)^2=modulus=(secx)^2Argument =tanx=|y/x|=tanx/1=tanx now.,argument =tanx | |
| 2828. |
Find a point on the x axis which is equidistant from the point (7,6) and (3,4) |
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Answer» Point on x - axis is ( x,0) not (0,y) it is point on y- axis the point on x-axis be (0,y )√(7-0)^2+(6-y)^2 =√(3-0)^2 +(4-y )^249+36+y^2-12y=9+16+y^2-8y85-12y=25-8y-12y+8y=25-85-3y=-60y=20 =Point on x-axis is (0,20).?? |
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| 2829. |
Tan15-cot 15 |
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| 2830. |
Find the value of sin 31÷3 |
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Answer» Root 3÷2 Q.\xa0What is the value of Sin(31π/3)= sin(31π/3)= sin(10π+π/3)= sin(π/3)=\xa0√3/2 ( in quadrant 1 )ORSin ( 31 x 180 / 3)= sin ( 31 x 60)\xa0= sin(1860)\xa0= sin(5x360 - 60)\xa0=sin60\xa0=root3/2 |
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| 2831. |
Daily or moral use of relations and function s maths chapter to class 11? |
| Answer» | |
| 2832. |
Solve tanx +tan2x+tan3x =0 |
| Answer» Yes i know your\'s question answer | |
| 2833. |
Expand (2x-y)4 using binomial theorem |
| Answer» | |
| 2834. |
If lim x - a x^9+a^9/x+a =9 find all possible values of a |
| Answer» | |
| 2835. |
All sample paper unsolved questions answered |
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| 2836. |
All sample paper unsolved questions |
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| 2837. |
Cos3x_cos7x/x^2 |
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| 2838. |
P=30000 r=5%. T=2y4m. C.I=? |
| Answer» | |
| 2839. |
Find the derivative of cos 2x |
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Answer» Ify=cos2xDy/dx= -sin2x * dy/dx(2x) =-sin2x * 2 =-2sin2x -sin2x -sin2x |
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| 2840. |
Derivative of x3secx |
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Answer» If y=x*3*secxThen Dy/dx= x3*dy/dx(secx) + xsecx*dy/dx(3) +3secx*dy/d (x) = 3x*secxtanx + xsecx*0. + 3secx*1 =3secx. + 3x secxtanx Srry its wrong Secxtanx |
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| 2841. |
Sinx =1/4,x in quadrant 2nd |
| Answer» | |
| 2842. |
Cotx ka differention |
| Answer» - cosec^2 x | |
| 2843. |
tan240 |
| Answer» Tan 240° = tan (180°+60°) =tan 60°= root 3 | |
| 2844. |
Solve graphically 4x+3y=2x x>=3 x,y>=0 |
| Answer» | |
| 2845. |
Is π rational or irrational.... What the reason behind it?? |
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Answer» Irrational because its decimal expansion is non repeating and non terminating or you can say that it is irrational because it cannot be expressed in the form of p/q where p and q are integers and co-prime. But how?? Irrational. Irrational |
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| 2846. |
Equation of parabola whose focus is (0,0) and directrix is the straight line 3x-4 y +2=0 |
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Answer» S =(0,0), eq of directrix= 3x-4y+2=0Let p (x,y) PM be the distancePM = | 3x-4y+2|/root under 3^2+(-4)^2By def of parabola PS^2=PM^2(x-0)^2+(y-0)^2=(3x-4y+2)^2/5^2x^2+y^2=9x^2+16y^2+4-24xy-16y+12xSolve this u get eq of parabola Answer it pls Find the above things. |
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| 2847. |
cosx=√2+√2+2cos4x |
| Answer» | |
| 2848. |
For a positive integer n find the value of (1-i)^n (1-1/i)^n |
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Answer» Solution and Explanation:(1 – i)n(1 - 1/i)n\xa0 Solve Re (z^2)=0,modulus of z =2 |
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| 2849. |
Differentiatef(x)= [x^3+x^2+1]×1/x |
| Answer» f(x)=x^2+x^1+x^(-1) d{f(x)}/d(x)=2x+1-x^(-2) | |
| 2850. |
A={1,2,3,4,5} B={6,7,8,9} Is f:{(1,6), (2,7), (3,8), (4,9)} a function |
| Answer» | |