Question

Exand:
( xy - ²4) (xy² +1)​

Answer 1

$\sf \bf \huge {\boxed {\mathbb {QUESTION}}}$

$\tt Expand$

$\sf \bf ({xy}^{2}-1)({xy}^{2}+1)$

$\sf \bf \huge {\boxed {\mathbb {ANSWER}}}$

$\sf \bf \implies ({xy}^{2}-1)({xy}^{2}+1)$

${\boxed {\boxed {\sf \bf Identity=\sf \bf (a+b) (a-b) ={a}^{2}-{b}^{2}}}}$

$\sf \bf \implies ({xy}^{2}-1)({xy}^{2}+1)={({xy}^{2})}^{2}-{(1)}^{2}$

$\implies{\boxed {\color {red} {({xy}^{2}-1)({xy}^{2}+1)={xy}^{4}-1}}}$

$\sf \bf \huge {\boxed {\mathbb {HOPE \:IT \:HELPS \:YOU }}}$

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$\sf \bf \huge {\boxed {\mathbb {EXTRA\:INFORMATION}}}$

$\tt {IDENTITIES}$

$\sf \bf {(a+b)}^{2}={a}^{2}+2ab+{b}^{2}$

$\sf \bf {(a-b)}^{2}={a}^{2}-2ab+{b}^{2}$

$\sf \bf (a+b) (a-b) ={a}^{2}-{b}^{2}$

${\mathbb{\colorbox {orange} {\boxed{\boxed{\boxed{\boxed{\boxed{\colorbox {lime} {\boxed{\boxed{\boxed{\boxed{\boxed{\colorbox {aqua} {@suraj5070}}}}}}}}}}}}}}}$

Answer 2

Answer:

your answer

Step-by-step explanation:

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