$\"\"$

(a)

Find the values of $\"\"$ and $\"\"$ .

Consider $\"\"$ .

The property of the natural logarithm is $\"\"$ .

$\"\"$ .

Consider $\"\"$ .

The property of the natural logarithm is $\"\"$ .

$\"\"$ .

Therefore, $\"\"$ .

$\"\"$

(b)

Evaluate the values of $\"\"$ and $\"\"$ .

Consider $\"\"$ .

$\"\"$

Consider $\"\"$ .

The value of $\"\"$ is very large and cannot be measured using calculator.

Hence it is difficult to calculate the value of $\"\"$ using calculator.

$\"\"$

(a) $\"\"$ and $\"\"$ .

(b) $\"\"$

The value of $\"\"$ is very large value cannot be measured using calculator.

Hence it is difficult to calculate the value of $\"\"$ using calculator.