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Find the values of k so that the functio...

Find the values of k so that the function f is continuous at the indicated point : `f(x)={(kx+1,,,, if x lepi),(cosx,,,, if x>pi):}` at `x=pi`

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The correct Answer is:
`k = (-2)/pi`
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BETTER CHOICE PUBLICATION-CONTINUITY AND DIFFERENTIABILITY-PREVIOUS YEARS BOARDS QUESTIONS FOR PRACTICE (MULTIPLE CHOICE QUESTIONS)
  1. Verify Rolle's theorem for the following functions f(x)=(x + 2)(x-3)...

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  2. Verify Rolle's theorem for the following functions f(x) = (x+3)(x-6)...

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  3. Find the values of k so that the function f is continuous at the indic...

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  4. Find the values of k so that the function f is continuous at the indic...

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  5. If (cos x)^y = (cos y)^x, find dy/dx .

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  6. Differentiate the following w.r.t. x : (x + 1/x)^x + x^(x + 1/x)

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  7. Differentiate the following w.r.t. x : x^(x^2 - 3) + (x - 3)^(x^2) ,...

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  8. For what value of k, function f (x) is continuous at x = 0 where f(x) ...

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  9. Find (dy)/(dx) when x^y + y^x = a^b

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  10. Differentiate tan^(-1) ((sqrt(1 + sin x) + sqrt(1 - sin x))/(sqrt(1 + ...

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  11. y = e^(m sin^(-1)x), prove that (1 - x^2) y2 - xy1 = m^2y

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  12. If y = e^(m tan^-1 x), then show that (1 +x^2) y2 + (2x - m) y1= 0.

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  13. Examine the continuity of f(x) = {{:((x)/(|x| )"," ,"if " x != 0),(0",...

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  14. If xy = e^(x - y), prove that (dy)/(dx) = (y (x - 1))/(x (y + 1))

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  15. Differentiate e^(sec^2 x) + 3 cos^(-1) x w.r.t.x.

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  16. Find k so that f(x) = {{:((x^2 -25 )/(x -5)"," ,"if " x != 5),(k",","...

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  17. If f(x) is continuous at x = 0 , find a, where f(x) = {{:((1 - cos ax)...

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  18. Differentiate tan^(-1) ((sqrt(1 + x^2) - 1)/(x)) w.r.t.x .

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  19. Differentiate tan^(-1)((sqrt(1 + a^2 x^2) - 1)/(ax)) w.r.t.x.

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  20. Verify LMV theorem for the following functions f(x) = x(x-1)(x - 2) i...

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