Question

Factorise using identities
a) x4 - 144y4​

Answer 1

Answer:

${x}^{4} - 144 {y}^{4}$

${( {x}^{2}) }^{2} - { ({12y}^{2}) }^{2}$

$( {x}^{2} + {12y}^{2} )( {x}^{2} - {12y}^{2} )$

$ans. \: \: ( {x}^{2} + {12y}^{2} )( {x}^{2} - {12y}^{2} )$

Hope it helps.