simplify (5a-8b)2+(5a+8b)2
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Answer:
formula:- (a-b) ²= a²+b²-2ab
(a+b)²=a²+b²+2ab
equation:- (5a-8b) ²+(5a+8b)²
(5a-8b) = (5a) ²+ (8b)²- 2×a×b
25a²+64b²-2ab
(5a+8b) = (5a)²+(8b)²+2×a×b
25a² + 64b²+2ab
25a²+64b²-2ab+25a²+64b²+2ab
= 25a²+64b²+25a²+64b²
= 25a²+25a²+64b²+64b²
= 50a²+128b²
= 2(25a²+64b²) answer
thank You
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