Math, asked by NimishGoyal, 1 year ago

1. If 5x - 2y = 7 and xy = 2, find the value of (5x + 2y)^2​

Answers

Answered by yogeshsahu40
4

Answer:

5x=5X2

x is 2

2y=2X1.5

y=1.5

then answer is

(5x+2y)^2

[(5X2)+(2X1. 5)]^2

[10+3]^2

13^2

169 is an answer

Answered by haridasan85
8

Answer:

-

(5x+2y)^2-(5x-2y)^2= 40xy

(5x +2y)^2 = (5x-2y)^2+40xy

= 7^2+40x2=49+80=129

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