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If f(x)=(x-1)/(x+1) , then f(f(a x)) in ...

If `f(x)=(x-1)/(x+1)` , then `f(f(a x))` in terms of `f(x)` is equal to `(a)(f(x)-1)/(a(f(x)-1))` (b) `(f(x)+1)/(a(f(x)-1))` `(f(x)-1)/(a(f(x)+1))` (d) `(f(x)+1)/(a(f(x)+1))`

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RESONANCE DPP ENGLISH-RELATIONS AND FUNCTIONS XII-All Questions
  1. If f(x)=(x-1)/(x+1) , then f(f(a x)) in terms of f(x) is equal to (a)(...

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  2. Let f be a real valued function defined by f(x)=(e^x-e^(-|x|))/(e^x+e...

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  3. If x=3-sqrt(8),t h e nx^3+1/(x^3) is equal to a.6 b. 198 c. 6sqrt(...

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  4. If a+b+c=0a n da^2+b^2+c^2=1, then the value of a^4+b^4+c^4 is 1 b. 4 ...

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  5. The value of x satisfying the equation (6x+2a+3b+c)/(6x+2a-3b-c)=(2x+6...

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  6. Find the number of positive integers x for which f(x) = x^(3) - 8 x^...

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  7. The least integral value of ' m ' for which the expression m x^2-4x+3m...

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  8. Values of x satisfying the inequality |x^2+8x+7|geq|x^2+4x+4|+|4x+3| f...

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  9. Let N=(log(3)135)/(log(15)3)-(log(3)5)/(log(405)3). Then N is

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  10. f(x)=x/(x-1) then (f(a))/(f(a+1)) is equal to a.f(-a) b.f(1//a) c...

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  11. Suppose f is a real function satisfying f(x+f(x))=4f(x)a n df(1)=4. Th...

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  12. If f(x)=2/(4^x+2) for real numbers x , then f(1/(2011))+f(2/(2011))++f...

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  13. A polynomial P(x) of third degree vanish when x=1 & x=-2 . This ...

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  14. Solve the following inequalities (x-1)/x-(x+1)/(x-1)<2

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  15. Solve inequality (x^2-5x+6)/(x^2+x+1)<0

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  16. solve the given inequation (x^2+4x+4)/(2x^2-x-1)>0

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  17. ((x-4)^(2005)dot(x+8)^(2008)(x+1))/(x^(2006)(x-2)^3dot(x+3)^5 0(x-6)(x...

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  18. Solve the following inequalities ((x-1)(x-2)(x-3))/((x+1)(x+2)(x+3))>...

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  19. The sum of the series ""(1^2)/(2!)+(2^2)/(3!)+(3^2)/(4!)+"i s" e+1 ...

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  20. The function f(x)=(4-x^2)/(4x-x^3) (a) discontinuous at only one poin...

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