Question

(ax+by)²+(bx-ay)² factorise

Answer 1

here is your answer dhruv
please mark as brainlist
natasha41

Answer 2

$(ax+by)^2+(bx-ay)^2$
$=a^2x^2+2abxy+b^2y^2+b^2x^2-2abxy+a^2y^2$
$=a^2x^2+b^2x^2+a^2y^2+b^2y^2$
$=x^2(a^2+b^2)+y^2(a^2+b^2)$
$=(a^2+b^2)(x^2+y^2)$