Question

Factorise (x/7+y/3)(x²/49+y²/9-xy/21)

Answer 1

GOOD MORNING


HAVE A NICE DAY


HERE IS YOUR ANS


HERE WE EILL USE THE FORMULA
A3 - B3 = (A-B) (A2 +B2 +AB)

NOW WE WILL LET X/7 BE A TERM


ANR Y/3 BE B TERM

(X/7)3 - (y/3)3


x3/343 -y3/27

HOPE IT HELPS U


PLZ MARK MY ANS AS BRAINLIENT AND DONT FORGET TO FOLLOW ME.