Question

factorise 256a⁴-81b⁴​

Answer 1

Answer:

$(16 {a}^{2} + 9 {b}^{2} )(4a - 3b)(4a + 3b).$

Step-by-step explanation:

$256 {a}^{4} - 81 {b}^{4} = {(4a)}^{4} - {(3b)}^{4} \\ \\ = ( {(4a)}^{2} + {(3b)}^{2} )( {(4a)}^{2} - {(3b)}^{2} ) \\ \\ = (16 {a}^{2} + 9 {b}^{2} )(4a - 3b)(4a + 3b).$

Answer 2

Answer:

Hope it's correct thank you please mark me as a brain lies