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if f(x) = 1/(1-x) (x ne 1), {f[f(x)]} i...

if `f(x) = 1/(1-x) (x ne 1), {f[f(x)]}` is

A

`1/((1-x)^3)`

B

1

C

x

D

`1/(1-x)`

Text Solution

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The correct Answer is:
C
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KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER - 1-MATHEMATICS
  1. The subnormal at any pointion the curve y' = a is constant. Then the v...

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  2. The area A of a an equilateral triangle is increasing at the rate of 4...

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  3. if f(x) = 1/(1-x) (x ne 1), {f[f(x)]} is

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  4. f(x) = 1/(1-x^2) and g(x) = x, the fog(x) is

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  5. If : A to R is a real valued function the fomain of the function f(x) ...

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  6. If : R to R defined by f(x) = x^5 + 1 and if fog(x) =x then g(x) is ...

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  7. The implication p to q is false only when

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  8. If {:[(3,4),(-2,3)]:}{:[(x),(y)]:}={:[(11),(4)]:}, then the values of ...

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  9. The value of the determinant {:abs((1,a,b+c),(1,b,c+a),(1 , c,a+b)):} ...

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  10. If omega is the cube root of unity then {:abs((1,omega,omega^2),(omega...

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  11. The inverse of the matrix {:[(a,b),(c,d)]:} is

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  12. Eigen values of the matrix A={:[(3,+2),(1,2)]:} are

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  13. In four numbers given the first three numbers are in G.P. and the last...

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  14. One of the following is perpendicular to 2hati + 2hatj - hatk

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  15. If hatl and hatm are unit vectors and theta is the angle between then ...

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  16. A particle is displaced from the point whose position vector is 5hati+...

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  17. The magnitude of the torque about the point 3hati + 2hatj -2hatk of fo...

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  18. The set z = { 1, 2, 3, 4} is an abelian group under

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  19. If in the standard from of the cubic x^3 + 3Hx + G = 0 where H and G ...

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  20. The number of permutations of n different things not more than r and n...

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