Saved Bookmarks
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.
| 4951. |
Sin(B-C)\\CosBCosC+Sin(C-A)\\CosCCosA+Sin(A-B)\\CosACosB=0 |
| Answer» | |
| 4952. |
Derivative of sin ke power ne |
| Answer» | |
| 4953. |
Sin 3x +sin3 (2x/3 + x )+sin3 (4x/3+x) =3/4sin 3x |
| Answer» | |
| 4954. |
What is value of underroot 3 cosec20 minus sec20 |
| Answer» | |
| 4955. |
1cubic meter=l |
| Answer» | |
| 4956. |
limx-0(xsquare- √x/√x-1) |
| Answer» | |
| 4957. |
x^2+2x+1=0 |
|
Answer» X= -1 (x+1)^2=0. X=-1 |
|
| 4958. |
tan(70degree)= tan(20degree) + 2tan(50degree) |
| Answer» | |
| 4959. |
Cos20°cos40°cos60°cos80°=1/16 |
| Answer» | |
| 4960. |
Differentiate log cosx |
|
Answer» Thanks -tanX |
|
| 4961. |
Sin(x+a) ÷cox diffrentiate with respect to x |
| Answer» | |
| 4962. |
Find the A. M and G. M of 5 and 7 |
|
Answer» Yeah...6 and root 35 Arithmetic mean and geometric mean and geometric mean has the formula of under root a b and a.m. has the formula of a + b upon 2 now you can find the answer |
|
| 4963. |
What is foot of perpendicular |
|
Answer» To find it coordinates formula isFor xX-x1/a = -(ax1+by1+c)/a^2+b^2 For yY-y1/b = -(ax1+by1+c)/a^2+b^2 The point from where the perpendicular starts |
|
| 4964. |
2+4+73-373-(383)3*73/39+28-384-2738/39*838/292+3734+00383*0=? |
| Answer» | |
| 4965. |
1/2*5+1/5*8+1/8*11+......n terms |
| Answer» | |
| 4966. |
COSA COS2A COS4A COS8A |
| Answer» | |
| 4967. |
How to find angle in polar form |
|
Answer» Tan alpha = tan imz/real part Angle different quadrant diffrent find hota h agr apko tan alpha pta h toh 1quadrant m alpha theta k equal hota h 2qu m theta pi - aplha 3qu m aplha -pi 4qu m theta =-aplha Where to find the angle in polar form we generally use the formula that is sin theta is equals to perpendicular upon hypotenuse and several others like cos theta or 10 theta can also be taken out like that |
|
| 4968. |
Write the complex number in standard form -1÷3+4 |
| Answer» this is not any complex number | |
| 4969. |
20=6/8 |
| Answer» | |
| 4970. |
A={(x,y):x3+y2=25,x,y belongs to w} |
| Answer» | |
| 4971. |
how I teach maths easy |
|
Answer» ? Good Question bhai |
|
| 4972. |
What is the eccentricity of the curve 4x^2+y=100 |
| Answer» | |
| 4973. |
Tan(x+100)=tan(x+50)tanx(tan(x-50)) |
| Answer» | |
| 4974. |
Two dice thrown |
| Answer» Its sample space , S ={ (1,1),(1,2),.........,(1,6) , (2,1),.....,(2,6) , (3,1),.....,(3,6) , (4,1),..........(4,6) , (5,1).........,(5,6) , (6,1)........,(6,6) } | |
| 4975. |
Find number of terms in expansion of (3x+y)8-(3x-y)8 |
| Answer» | |
| 4976. |
Prove sin square x by first principle |
| Answer» | |
| 4977. |
Differentation |
| Answer» | |
| 4978. |
tanx+tan(60+x)+tan(120-x) = 3tan3x |
| Answer» | |
| 4979. |
diffrentition |
|
Answer» Koi bhi value jo zero k karib h like 0.009 but zero nhi In science language differentiation means bohut chootta SA change bohut km time m |
|
| 4980. |
2 of 5 |
| Answer» 10 | |
| 4981. |
Important question of straight line |
| Answer» Miscellaneous exercise of NCERT | |
| 4982. |
Solve (x+iy)(2-3i) =4+i if x and y are real. |
|
Answer» X=5/13 nd Y=14/13 Take 2-3i under 4+i then solve it separate real and imaginary part then you can easily find x and y |
|
| 4983. |
Sin(-120) |
|
Answer» Sin can\'t absorb minus sign so it\'s answer is minus root 3 upon 2 -1/2 |
|
| 4984. |
Differentiate f(x)=(3x+5)(1+tanx) with respect to x |
| Answer» (3x+5)(sec^2x)+(1+thanx)(3) | |
| 4985. |
Cos⁴π÷8+cos⁴3π÷8+Cos⁴5π÷8+cos⁴7π÷8=3÷2 |
| Answer» Refer to NCERT book | |
| 4986. |
What is meant by exclusive and exhaustive event |
| Answer» | |
| 4987. |
Find the equation of the median of a triangle formed by the lines x+y-6=0 , x-3y-2=0 and 5x-3y+2=0 |
| Answer» | |
| 4988. |
How To Prove PMI |
| Answer» | |
| 4989. |
Derivative of underroot of cotx by first principle |
| Answer» -cosec^2x | |
| 4990. |
How many four digit numbers can be formed using digits 1,1,2,2,3,3,4,4,5,5 |
| Answer» no. of 4 digit numbers in this case can be fined as 10 ! / 2! . 2! .2! .2! . 2! | |
| 4991. |
The mean and S. D of 100 observations where calculated as 40 and 5.1 respectively by student |
| Answer» | |
| 4992. |
Sin78°cos18°-cos78°sin18° how to find value of 78°&18° |
|
Answer» Sorry use Sin(A-B) Use sin(A+B). Sin(78-18). Sin60=√3/2 ans |
|
| 4993. |
What is weightage of straight line.. Class 11 in final exams |
| Answer» | |
| 4994. |
Find(1+i)pwern/(1-i)powern-2 |
| Answer» | |
| 4995. |
Shifting of origin in comic section |
| Answer» | |
| 4996. |
Why we are studying maths |
| Answer» | |
| 4997. |
2x+5y=54 |
| Answer» What?? | |
| 4998. |
4-√-9 |
| Answer» 4-3i | |
| 4999. |
How to find Derivative of tan(3x + 1) using first principles? |
| Answer» | |
| 5000. |
Find the equation of line passing through (-2,8)and parallel to y axis |
| Answer» | |