Question

Evaluate:-
$( {a }^{2} + { \sqrt{a} }^{2} + - 1) {}^{4} + ( {a}^{2} - { \sqrt{a} }^{2} - 1) {}^{4}$
please help.
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Answer 1

Answer:

Using the following formula:

a±b√−−−−−−√=a+c2−−−−−√±a−c2−−−−−√a±b=a+c2±a−c2

where

c=a2−b−−−−−√

Answer 2

Answer:

ur answer is here my dear frnd