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The function f(x) = sin x-x cos x is: ...

The function `f(x) = sin x-x cos x` is: (A).maximum or minimum for all integral multiple of `pi` (B) maximum if x is an odd positive or even negative integral multiple of `pi` (C) minimum if x is an even positive or odd negative integral multiple of `pi` (D) None of these

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RESONANCE DPP-JEE MAINS-All Questions
  1. Statement-1 Let f:[0,oo)vec[0,oo) be a function defined by y=f(x)=x^2,...

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  2. The solution set of the equation 4s inthetadotcostheta-2costheta-2sqrt...

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  3. The function f(x) = sin x-x cos x is: (A).maximum or minimum for a...

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  4. Statement-1 : If |x+3|+5=|x+8| then xgeq-3 Statement-2 : |a|+|b|=|a+b...

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  5. The differential coefficient of sin^(-1)t/(sqrt(1+t^2))w.r.t cos^(-1...

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  6. If x/y=(cos A)/(cos B)t h e n(x t a n A+y t a n B)/(x+y)= cot(A+B)/2 ...

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  7. If x^2+a x+10=0 and x^2+b x-10=0 have common root, then a^2-b^2 is equ...

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  8. If the equation sin(cot^(-1)(cot^(-1)(tan^(-1))))=lambda has a soluti...

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  9. If P(x)=a x^2+b x+c&Q(x)=-a x^2+dx+c ,a c!=0, then the equation P...

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  10. If f(x)=x^(11)+x^9-x^7+x^3+1 and f(sin^(-1)(sin8))=alpha,alpha is cons...

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  11. The values of cos^2 73^0+cos^2 47^0-sin^2 43^0+sin^2 107^0 is equal t...

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  12. If vec ar=xr hat i+yr hat j+zr hat k , where r=1,2,3 are three mutual...

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  13. Find the equation of a straight lines which passes through the point (...

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  14. If f(x)=max{sinx ,sin^(-1)(cosx)}, then f is differentiable everywhere...

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  15. The equation of the circle whose diameter is the common chord of the c...

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  16. If y=a^x^a^x^...^(((((oo))))) , then prove that (dy)/(dx)=(y^2(log)e ...

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  17. The base B C of a A B C is bisected at the point (p ,q) & the equatio...

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  18. Let the centre of the parallelepiped formed by vec P A= hat i+2 hat j...

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  19. (lim)(xvecoo)(30+4sqrt(x)+7x3)/(2+sqrt(4x-7)+6x-2 3)e q u a l s 15 (b...

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  20. Which of the following is/are correct?

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