Math, asked by swety1, 1 year ago

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

Answers

Answered by mysticd

12

go through the solution step by step

Attachments:

Answered by knrevanthkumar

4

Given 5x - 2y = 7 and xy = 2

(5x+2y)2 = ( 5x - 2y)2 + 4× 5x × 2y)(5x+2y)2
= 49 + 40 x 2
= 129.

Previous Question

Next Question

Similar questions

Math, 8 months ago

If A, B, C are three mutually exclusive and exhaustive events of a trial such that P(A) = 2 P(B) = 3 P(C). Then P(A) is...

Science, 8 months ago

north and south american bears are killed for their ...

Math, 8 months ago

Prove the following identities, where the angles involved are acute angles for which the expressions are defined...

Math, 1 year ago

factorise it by step by step 4(x-y)^2-12(x-y)+9...

Math, 1 year ago

Can anyone give me a proper example of multiplicative inverse? i can`t seem to understand anything in this lesson 4.

India Languages, 1 year ago

Summary of Journey By Night by Norah Burke...

English, 1 year ago

You come to know that one of your friend has be come a victiom of cyber crime but is too scared to tell anyone. He has lost confidence and is losing at studies also. How would you help your friend?

English, 1 year ago

"i visit a historical place with my friend and we saw people are ruining the place" for ASL...