Question

Factorise: 4p2 - 81q2​

Answer 1

Answer:

324p²q² this answer ...

Answer 2

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf{4 {p}^{2} - 81 {q}^{2} }$

$: ⟹\: \: \: \: \: \: \sf{( {2p)}^{2} - {(9q)}^{2} }$

$: ⟹ \: \: \sf{ (2p + 9q)(2p - 9q)}$

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