factorise (m+n) square - (m-n) square
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Answered by
1
Step-by-step explanation:
(m+n)²-(m-n)²
(m²+n²+2mn)-(m²+n²-2mn)
m²+n²+2mn-m²-n²+2mn
=4mn
Answered by
1
Answer:
Step-by-step explanation(m+n)-(m-n)
=m+n-m+n due to braket opening
+mand-m will cancel out
The ans is = n^:
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