Question

if m+n=8,m-n=2 then find the value of(1) m^2-n^2 (2) m^2+n^2?​

Answer 1

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Answer 2

Answer:

m+n=8

m-n=2

add two equations

2m=10

m=5

n=3

(1)25-9=16=4^2

(2)25+9=34

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