Question

Factorize : m4 – 16n4

Answer 1

Step-by-step explanation:

${ {(m}^{2})}^{2} - {4}^{2} {( {n}^{2} )}^{2}$

$( {m}^{2} + 4 {n}^{2} )( {m }^{2} - 4 {n}^{2} )$

$( {m}^{2} + 4 {n}^{2} )(m + 2n)(m - 2n)$