Q. 323.7( 3 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 x π/2

cos x 0

Let, y = cos x

if x π/2 y0

Hence, Z can be rewritten as- Use the formula: Z = 1

{ log e = 1}

Hence, Rate this question :

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