If m-n=5 and mn=14, find the value of m2+n2
Answers
Answered by
4
Answer:
53
Step-by-step explanation:
we know that
a²+b²=(a-b)²+2ab
Given,
m²+n²=(m-n)²+2mn
=(5²)+2×14
=25+28
=53
Answered by
0
Answer:
53
Step-by-step explanation:
We will use this dentity
A square + b Square = a^2 + 2ab+b^2
Hence , It will be
m^2 + n^2 = (m-n)^2 + 2mn
=5^2+2*14
= 25+28
=53
m^2 + n^2 = 53
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