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If (x+y)^3=1331 and (x-y)^5=243, then fi...

If `(x+y)^3=1331 and (x-y)^5=243`, then find `x^2-y^2`.

A

33

B

22

C

11

D

44

Text Solution

Verified by Experts

The correct Answer is:
A

Given,
`(x+y)^3 =1331 =(11)^3`
` rArr x+y=11`
`(x-y)^5=243 =3^5`
`x-y=3`
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