Math, asked by Dibyajyotinanda, 5 months ago

If (5x-2y) = 5 and xy=1, find the value of (5x+2y)²

Answers

Answered by shankerjhar

0

Answer:

Mark me as brainliest hope it helps u friend

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Answered by babajikagyaan

0

Answer:

5x-2y=5 eq 1

xy=1

y=1/x eq2

putting value y of in eq 1

5x-2*1/x=5

5x-2/x=5

5x²-2=5x

5x²-5x-2=0

using formula of discriminant

D=b²-4ac

=-5²-4*5*-2

25+40

65

x=

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