Math, asked by raviprakashdixi, 1 year ago

यदि 7x-5yऔरxy= 9तो 343x3-125y3 का मान

Answers

Answered by skkki

1

(7x)^3 - (5y)^3
formula (x-y)^3 = (x3-y3)(x2 +y2 +xy)
(7x-5y)(49x2 +25y2 +9)

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