Math, asked by singhravi980knp, 8 months ago

if 5x - 2y and xy=2, find value of 25x'2+4y'2

Answers

Answered by faizanoor

0

Answer:

i am not shure about the question.

Answered by priya424726

5

(5x-2y)^2 = 49

25x^2+4y^2 - 20xy = 49

= 49+40

25x^2+4y^2=89

(5x+ 2y)^2 = 25x^2+ 4y^2 + 20xy

= 89+20.2

= 129

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