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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.
| 2651. |
Simplify: 1+ i^10 + i^100 +i^1000 |
| Answer» 1+(i^2)^5+(i^2)50+(i^2)^500=1+(-1)^5+(-1)^50+(-1)^500=1-1+1+1=2 | |
| 2652. |
X+1_x=0 |
| Answer» | |
| 2653. |
[(√x+1)+(√x-1)]^6+[(√x+1)-(√x-1)]^6 |
| Answer» | |
| 2654. |
√x÷√x+√x+√x |
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Answer» 1+2√x 1/3 2rootx |
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| 2655. |
Find the equation (-1,3) and (4,-2) of line joining the points |
| Answer» Y-3/x-(-1)= -2-3/4-(-1)=y+x=2 | |
| 2656. |
e^√tanx by first principle rule |
| Answer» Sin31 22/7 3 | |
| 2657. |
Find sum to n terms of the series 1+5+12+22+35+.............. |
| Answer» \'\'d..fe..we.ltl6l | |
| 2658. |
X (e^x-1)÷1-cosx |
| Answer» | |
| 2659. |
Log√x*sin√x by chain rule |
| Answer» | |
| 2660. |
30 radian to convert degree |
| Answer» 30*180/π | |
| 2661. |
What will be the result of U n (A u B)? |
| Answer» A u B | |
| 2662. |
r1+r2+r3-r=4R |
| Answer» | |
| 2663. |
Question no.13 of miscellaneous exercise on chapter 6 . 0%ofx kaise? |
| Answer» Because x hmne quantity ko let kra h na aur question m pucha h ki how many liters of water will have to be added toh water m toh 0% of acid hota h toh isiliye hm 0% of x lenge Clear | |
| 2664. |
Find the value of sin31π/8 |
| Answer» | |
| 2665. |
i send answer script and i have not received it back |
| Answer» | |
| 2666. |
1-cos2x |
| Answer» 2sin^2× | |
| 2667. |
How to score 200 in jee mains? |
| Answer» By doing hard work in right direction | |
| 2668. |
supplementary of trigonometric function |
| Answer» | |
| 2669. |
Derivative of (sinx+xcosx)(cosx-xsinx) |
| Answer» use product rule | |
| 2670. |
Lim x tends to 1,logx/x-1 |
| Answer» From L-hospital theorem, differentiate numenator and denominator separately and then put the value of x , i.e., 1, the answer will come out to be 1. | |
| 2671. |
Scoring chapter of class 11 math |
| Answer» Ch 3 , 1,4,5,7,8,9,11,12,13,14,15,16 | |
| 2672. |
Can i have a summary of all formulaes of all chapters in maths of class1 |
| Answer» Class 1 or 11??? | |
| 2673. |
Derive the equation of ellipse having foci on x-axis and centre is at origin. |
| Answer» | |
| 2674. |
Differentiate sin(log5x) |
| Answer» Coslog5x*1/5x | |
| 2675. |
Lim 1/x +1/2X+2 |
| Answer» | |
| 2676. |
Find the square of -4-5i |
| Answer» 16+25i^2+2×--4×\'-5i=16-25+40i=-9+40i ans | |
| 2677. |
What is the general formula of trigonometry |
| Answer» I don\'t know | |
| 2678. |
Find the value of tan 180/8 |
| Answer» tan180/8 tan x=2tanx/2 /1-ttan^2x/2tan180/4=tan45=11=2tan45/2÷1-tan^2(45/21-tan^2(45/2)=2tan45/2this is quadratic in tan 45/2nowsolve | |
| 2679. |
If sin(y+z-x),sin(z+x-y), sin(x+y-z) are in A.P. prove that tanx,tany,tanz are also in A.P. |
| Answer» | |
| 2680. |
whats the derivative of sec x |
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Answer» thank u Derivative of secx is tanx secx |
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| 2681. |
If 5 into4pr is equals to 6 into 5 pr-1then find the are in the chapter |
| Answer» 5×4pr=6×(5pr-1)20pr=30pr-6-10pr=-6pr=-6/-10pr=3/5r=3/5p | |
| 2682. |
How many numbers are there between 100 and 1000 in which all the digits are distinct. |
| Answer» Between hundred and thousand means that we want to find the number of distinct 3 digit numbers .1st: hundredth place can be filled with any one of the 9 digits (except 0).2nd: tenth place can be filled with any one of the 9 digits remaining (including 0). 3rd :unit\'s place can be filled with any one of the remaining 8 digits. Therefore total number of 3 digits numbers with distinct digits is =9×9×8 =648. | |
| 2683. |
How many word can formed by words of bharat? How many words can start withB and end with T |
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Answer» Total no of words are 6!/2!= 720/2 = 360 and words start with b and end with t are 4!/2!= 24/2=12. 360 and 12 respectively |
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| 2684. |
Find the derivative of logx/x using first principle method |
| Answer» | |
| 2685. |
Find the angle between the lines of 5x+3y-7=0 and 15x+9y+14=0 |
| Answer» Tan inv(15/8) | |
| 2686. |
Insert 5 arthmatic mean between 4and 22 |
| Answer» leta1,a2,a3,....aabe the arithmetic mean b/w4and224,a1,a2....a5,22form an AP 22isthe 7thterm of APa+6d=224+6d=226d=18d=3a=4a1=4+3=74,7,10,13,16,19,22are in AP | |
| 2687. |
Find the domain and range of f(x)=x^2÷x^2+1 |
| Answer» Domain-RRange-[0,1)Since we can insert any value of x but range comes out less than 1 and can be 0 for x=0 and range will not be negative as square of any negative number is positive u can also explain this by giving an example | |
| 2688. |
Find the value of cos510 cos330 + sin390 cos120 |
| Answer» -1 | |
| 2689. |
Find the derivatives of FX equal to 1 by X by the first principle |
| Answer» -×^-2 hoga n | |
| 2690. |
GuysTomorrow is my Maths exam any IMP question |
| Answer» Sample papers solve kr loo | |
| 2691. |
Solve 5xsquare ➖6ix ➕9 |
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Answer» x=3iby 5,minus8iby 5 10x |
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| 2692. |
lim x extends to 0(e power x - e power -x) / (e power x + e power-x) |
| Answer» | |
| 2693. |
Find multiplicative inverse of complex no. |
| Answer» Suppose z=2+1i 1/z =1/2+1i Rationalize so we get =2-1i/5 =2/5-1i/5 answer | |
| 2694. |
Maths all chapter of classs missselenous exercise answer |
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Answer» hey abinaya if u want to be better results and videos to understand each question nicely u can visit to www.teachoo.com there u will get answers for each question there Yes...both is correct..u can take from google or u can take it from this app also... Net is nikal le |
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| 2695. |
What is the probability of having 53 Sundays in a non leap year |
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Answer» 2/7 1/7....... 1/7 |
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| 2696. |
Mean and median of a slightly asymmetric data are 52 and 54 respectively .find the mode of data |
| Answer» Use formula Mode =3median -2mean | |
| 2697. |
Prove that (1+x)^=(1+nx),for all natural no |
| Answer» Very very very bheri bheri easy...... U can try it by yourself if u kno basics of this chapter.... I can help u but 2maro is my physics paper and typing nos. Solution is time consuming..... U should try it again nd i hope u can solve it..... I know u have it in u... | |
| 2698. |
Find the 13th term in the expansion of( 9x-1/3x^1/2)^18 |
| Answer» | |
| 2699. |
Using sine formula find cosine |
| Answer» Use cosine = 1-sin^2Φ | |
| 2700. |
3t |
| Answer» | |