Question

factorise
${a}^{4} - {b}^{4}$
find the answer​

Answer 1

${a}^{4} - {b}^{4} \\ { ({a}^{2} )}^{2} - { ({b}^{2} )}^{2} \\ ( {a}^{2} + {b}^{2} )( {a}^{2} - {b}^{2} ) \\ ( {a}^{2} + {b}^{2} )(a + b)(a - b)$

Answer 2

HOPE THIS HELPS YOU......