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Evaluate underset(x to 0)(lim) (1 - cos ...

Evaluate `underset(x to 0)(lim) (1 - cos 2X)/(x)`

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AAKASH INSTITUTE ENGLISH-LIMITS AND DERIVATIVES -Try yourself
  1. Evaluate underset(x to 0)(lim) ("sin"^(2) ax)/("sin"^(2) bx)

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  2. Evaluate lim(x to 0) ("sin"5x)/("sin"7x)

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  3. Evaluate underset(x to 0)(lim) (1 - cos 2X)/(x)

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  4. Evaluate lim(x to 0) (1 - cos ax)/(1 - cos bx)

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  5. Evaluate : lim(x to 0)(tanx-sinx)/(x^(3)).

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  6. Evaluate lim(x to 0) (x^(3) cot x)/(1 - cos x)

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  7. Evaluate lim(x to (pi)/(4)) ("sin" x - cos x)/(x - (pi)/(4))

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  8. Evaluate lim(x to (pi)/(4)) (cos x - "sin" x)/(cos 2x)

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  9. Find the derivative of f(x) = x^(3) + 1 at x = - 1

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  10. Find the derivative of f(x) = 2 x^(3) + 3x^(2) + 5x + 9 at x = 2

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  11. Find the derivative of sqrt(3x + 5) using first principle of derivativ...

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  12. Find the derivative of x^(2) + 5x + 3 using first principle of derivat...

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  13. Find the derivative of (3x - 2) (x + 1) using first principle of deriv...

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  14. Find the derivative of (2x + 3)/(4x + 1) using first principle of deri...

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  15. Find the derivative of e^(7 x - 2) using first principle of derivative

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  16. Find the derivative of e^(x^(2)-5x) using first principle of derivativ...

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  17. Find the derivative of sin(4x - 1) using first principle of derivative

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  18. Find the derivative of cos (x^(2) + 3) using first principle of deriva...

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  19. Find the derivative of tan(sqrtx) w.r.t. x., using first principle

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  20. Find the derivative of cot (3x + 5) using first principle of derivativ...

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