Question

3. lim㎡

Answer 1

Let the function be

f( x )=π r 2

We have to find value of the function at Limit at x→a

f( x )=π r 2

From the definition of limits, lim x n x→a = a n

So on substituting the value of limit;

lim r→1 ( π r 2 )=π⋅ 1 2 =π

Thus, the value of lim r→1 ( π r 2 )=π .