Question

(ax+by) whole square
+(bx-ay) whole square
please give full answer

Answer 1

plzzzz mark as brainliest answer.

Answer 2

ANSWER :

$(ax + by) {}^{2} + (bx - ay) {}^{2} \\ = ax {}^{2} + by {}^{2} + 2axby + bx {}^{2} + ay {}^{2} - 2bxay$

x^2 ( a^2 + b^2 ) + y^2 ( a^2 + b^2 )

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