Math, asked by daisy777, 1 year ago

simplify 1 and 3 plzzz no spams
its too urgent☺☺☺

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Answered by Anonymous

12

(a²-b²)²=a4+b4-2(ab)²
(7m-8n)²-(7m+8n)²=49m²+64n²-56mn+49m²+64m²-56mn=98m²+128n²

daisy777: but of which

daisy777: ok i got

daisy777: but its wrong

daisy777: ans

daisy777: which u solved

daisy777: sorryyy

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