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Evaluate the following limits:- lim(x ra...

Evaluate the following limits:- `lim_(x rarr 0)x sec x`

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PSEB-LIMITS AND DERIVATIVES-EXERCISE
  1. Evaluate the following limits:- lim(x rarr 0)(cos2x-1)/(cos x-1)

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  2. Evaluate the following limits:- lim(x rarr 0)(ax+ xcos x)/(b sin x)

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  3. Evaluate the following limits:- lim(x rarr 0)x sec x

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  4. Evaluate the following limits:- lim(x rarr 0)(sin ax + bx)/(ax + sinbx...

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  5. Evaluate the following limits:- lim(x rarr 0) (cosec x-cotx)

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  6. Evaluate the following limits:- lim(x rarr pi/2)(tan 2x)/(x-pi/2)

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  7. Find lim(x rarr 0)f(x) and lim(x rarr 1) f(x), where f(x)={(2x+3,xle0)...

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  8. Find lim(x rarr 1)f(x) where f(x)= {(x^2-1,xle1),(-x^2-1,x>1):}

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  9. Evaluate lim(x rarr 0)f(x), where f(x)= {(|x|/x,x ne 0),(0,x=0):}

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  10. Find lim(x rarr 0)f(x), where f(x)={(x/(|x|),x ne 0),(0,x=0):}

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  11. Find lim(x rarr 5)f(x), where f(x)=|x|-5

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  12. Suppose f(x)= {(a+bx,x<1),(4,x=1),(b-ax,x > 1):} and if lim(x rarr 1)...

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  13. Let a1, a2... . . an be fixed real numbers and define a function f(x)=...

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  14. If f(x)={(|x|+1,x< 0),(0,x=0),(|x|-1,x>0):} For what value (s) of a do...

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  15. If the function f(x) satisfies lim(x rarr 1)(f(x)-2)/(x^2-1)=pi, evalu...

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  16. If f(x)={(mx^2+n, x < 0),(nx+m , 0le x le1),(nx^3+m, x >1):} . For wha...

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  17. Find the derivative of x^2 -2 at x = 10.

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  18. Find the derivative of 99x at x = 100.

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  19. Find the derivative of x at x = 1.

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  20. Find the derivative of the following function from first principle:- x...

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