* Problem*:

Show that if then

* Solution*-1:

From

we have

* Solution*-2:

*Exercise-1* Given , determine the value of

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* Problem*:

Show that if then

* Solution*-1:

From

we have

* Solution*-2:

*Exercise-1* Given , determine the value of

*Problem*:

Given , determine the value of .

*Solution-1* (**CAS**)

*Solution-2* (**Human**)

From

we have

*Exercise-1* Show that if then