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Let IR be the set of real numbers and th...

Let IR be the set of real numbers and the mapping `f:IR rarr IR` and `g:IR rarr IR` be define by `f(x)=5-x^2` and g(x)=3x-4, then the value of (fog)(-1) is

A

8

B

`-44`

C

54

D

16

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UNITED BOOK HOUSE-QUESTION PAPER 2017-EXERCISE
  1. The value of sin(cos^(-1)x)-cos(sin^(-1)x)is-

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  2. The degree of the differential equation (d^3y)/(dx^3)+y=root(3)(1+(dy...

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  3. Let IR be the set of real numbers and the mapping f:IR rarr IR and g:I...

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  4. If f(x) is the probability distribution function of a random variable ...

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  5. If the direction ratios of a striaght line are proportional, to 0,1,-1...

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  6. If f(x)=|x|+|x-1| then f(x)is-

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  7. The value of overset(a)underset(-a)int (xe^(x^4))/(1+x^2)dxis

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  8. If the inverse of the matrix A exists, then the value of det (A^-1)

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  9. If R is a relation defined as R ={(x,y):x,y in N and x+3y =12}. Then f...

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  10. Evaluate : sec^2(tan^(-1)2)+cosec^2(cot^(-1)3).

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  11. Show that , A =1/3[[-1,2,-2],[-2,1,2],[2,2,1]] is proper orthogonal ma...

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  12. Prove that |[1,logxy,logxz],[logyx,1,logyz],[logzx,logzy,1]|=0

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  13. If x = sqrt(a^(sin^(-1)t)) and y= sqrt(a^(cos^(-1)t) show that (dy)/(...

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  14. Verify Rolle' theorem for the function f(x)= x^2-4x+3 in 1lexle3.

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  15. Evaluate: int(cos x-cos 2x)/(1-cosx)dx.

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  16. A particle starts with the velocity u and moves in a straight line, i...

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  17. Find the interval where f(x) = 1/(1+x^2) decrease.

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  18. If f(x)= f(a+x) then prove that the value of overset(a+t)underset(a)in...

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  19. If vec a= 3hati+hatj+9 hat k and vecb = hati +lambda hat j+3 hat k the...

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  20. Find the vector equation of a plane through the point hati+ hat j+hat ...

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