Question

(a + b)² – 5(a² – b²) – 24 (a - b)²
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Answer 1

Answer:

solution:-(a+b)^2-5(a^2-b^2)-24(a-b)^2

=a^2+b^2+2ab-5a^2+5b^2-24(a^2-2ab+b^2)

=a^2+b^2+2ab-5a^2+5b^2-24a^2+48ab-24b^2

= -28a^2-18b^2+50ab Ans