Question

Solve :
$\ \textless \ br /\ \textgreater \ \sf{ (sqrt 2 + sqrt 3)^3 - \dfrac{ 1}{(sqrt {}^{2} + sqrt3)^3)}}$
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Answer 1

See the solution process below:

Explanation:

This is an example for the rule for:

(a−b)(a+b)=a2−b2

Substitute √2 for a and √3 for b:

(√2−√3)(√2+√3)=(√2)2−(√3)2=

2−3=−1

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