Q. 394.5( 2 Votes )

# Evaluate the foll

Answer :

As we need to find

We can directly find the limiting value of a function by putting the value of the variable at which the limiting value is asked if it does not take any indeterminate form (0/0 or ∞/∞ or ∞-∞, .. etc.)

Let Z = =

we need to take steps to remove this form so that we can get a finite value.

TIP: Most of the problems of logarithmic and exponential limits are solved using the formula and

This question is a direct application of limits formula of exponential limits.

As Z =

Z =

Z =

{using properties of exponents}

Z =

{using algebra of limits}

Z =

Z =

As, x 0

x-sin x 0

Let, y = x-sin x

if x0 y0

Hence, Z can be rewritten as-

Z =

Use the formula:

Z = log e =1

{ log e = 1}

Hence,

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