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Let f(x) = (x^2 - 1)^(n+1) + (x^2 + x + ...

Let `f(x) = (x^2 - 1)^(n+1) + (x^2 + x + 1)`. Then f(x) has local extremum at `x = 1`, when n is (A) `n = 2` (C) `n = 4` (B) `n = 3 ` (D)` n = 5 `

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CENGAGE-MONOTONICITY AND MAXIMA MINIMA OF FUNCTIONS-Exercise (Multiple)
  1. If f'(x) = g(x) (x-a)^2, where g(a) != 0 and g is continuous at x = a,...

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  2. The value of a for which the function f(x)=(4a-3)(x+log5)+2(a-7)cotx/2...

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  3. Let f(x) = (x^2 - 1)^(n+1) + (x^2 + x + 1). Then f(x) has local extrem...

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  4. Let f(x)=sinx+ax+b.Then which of the following is/are true?

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  5. The function (sin(x+a))/(sin(x+b)) has no maxima or minima if b-a=npi...

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  6. Consider f(x)=ax^(4)+cx^(2)+dx+e has no point o inflection Then which ...

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  7. L e tf(x)={((x-1)(6x-1))/(2x-1),ifx!=1/2 0,ifx=1/7 Then at x=1/2, whi...

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  8. If A={-3,-2,-1,0,1,2,3} and f : A->B is an onto function defined by f(...

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  9. Let f(x) be an increasing function defined on (0,oo) . If f(2a^2+a+1)>...

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  10. If f(x)=(sin^2x-1)^("n"),"" then x=pi/2 is a point of local maximum, i...

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  11. For the cubic function f(x)=2x^3+9x^2+12 x+1, which one of the followi...

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  12. Let f(x)=a5x^5+a4x^4+a3x^3+a2x^2+a1x , where ai ' s are real and f(x)=...

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  13. If f(x)a n dg(x) are two positive and increasing functions, then which...

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  14. An extremum of the function f(x)=(2-x)/picospi(x+3)+1/(pi^2)sinpi(x+3)...

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  15. For the function f(x)=x^4(12(log)e x-7)

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  16. Let f(x)=log(2x-x^2)+sin(pix)/2dot Then which of the following is/are ...

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  17. Which of the following hold(s) good for the function f(x)=2x-3x^(2/3)?...

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  18. For the function f(x)=(e^x)/(1+e^x), which of the following hold good?...

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  19. Which of the following is true about point of extremum x=a of function...

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  20. which of the folloiwng function has point of extremum at x =0?

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