Question

(3a-5b)^2 virrivakkuka??????

Answer 1

$\sf \: (3a-5b)^2$

$\sf \: Using \: the \: identity \: a ^{2} { - 2ab + {b}^{2}}$

$\sf \:( 3a) ^{2} - 2(3a)(5b) + (5b) {}^{2}$

$\sf \: 9a ^{2} - 30ab + 25b ^{2}$

HOPE IT HELPS✌