Question

factorise a^7 + ab^6

Answer 1

Hola there..

${a}^{7} + {ab}^{6}$
$= a( {a}^{6} + {b}^{6} )$
$= a(( {a}^{2} ) ^{3} + ( {b}^{2} ) ^{3} )$
$= a(( {a}^{2} + {b}^{2} ) ^{3} - 3 {a}^{2} {b}^{2} ( {a}^{2} + {b}^{2} ))$
Hope this helps....:)

Answer 2

Find The Detailed Solution in the Attachment below: