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If y=tan^(-1) sqrt(x^Y(2)+y^(2))+cot^(-1...

If `y=tan^(-1) sqrt(x^Y(2)+y^(2))+cot^(-1) sqrt(x^(2)+y^(2)),"then " dy/dx=`

A

0

B

1

C

2

D

-1

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A
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TARGET PUBLICATION-MODEL QUESTION PAPER-II-MCQs
  1. IF y=tan^-1((sqrtx-x)/(1+x)^(3/2)) then y'(1) is

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  2. Which of the following is not true always ?

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  3. If y=tan^(-1) sqrt(x^Y(2)+y^(2))+cot^(-1) sqrt(x^(2)+y^(2)),"then " dy...

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  4. A square non-singular matrix A satisfies A^2-A+2I=0," then "A^(-1)=

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  5. int((x+1)(x+logx)^2)/xdx=

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  6. Two functions f:RtoRand g:RtoR are defined as follows: f(x)={(0,(x"r...

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  7. In an entrance examinations there are multiple choice question. There ...

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  8. Find the approximate values of : cot^(-1)(1.001)

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  9. inte^(x)(1-cotx+cot^(2)x)dx=

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  10. The differential equation of all circles which passes through the orig...

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  11. X is continuous random variable with probability density function f(x)...

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  12. IF x=2at^2,y=at^4, then (d^2y)/(dx^2) at t=2 is

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  13. If the function f(x)=((e^(kx)-1)tankx)/(4x^(2)),x ne 0 =16" "x=0 ...

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  14. General solution of tantheta+tan((pi)/(2)-theta)=2 is

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  15. The sum of odd integeres from 1 to 3001 is

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  16. The tangent to the curve y=e^(2x) at the point (0,1) meets X-axis at

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  17. Let the p.m.f. of a random variable X be - P(x) = (3 -x)/10 " for ...

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  18. The function f(x)=[x(x-2)]^2 is increasing in the set

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  19. If A(2,3,-4),B(m,1,-1),C(3,2,2) and G(3,2,n) is the centroid of DeltaA...

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  20. The maximum value of (logx)/xd is

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