Question

resolve into factor : 3a4-12b4​

Answer 1

Answer:

$3 {a}^{4} -12 {b}^{4} \\ = 3( {a}^{4} - 4{b}^{4} ) \\ = 3( {a}^{2} + 2 {b}^{2})( {a}^{2} - 2 {b}^{2} ) \\ = 3( {a}^{2} + 2 {b}^{2})(a + \sqrt{2} b)(a - \sqrt{2} b)$