solve it ( r - s) ² + 2rs = r² + s²
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LHS
(r-s)^2+2rs=r^2+s^2-2rs+2rs
=r^2+s^2
(r-s)^2+2rs=r^2+s^2-2rs+2rs
=r^2+s^2
bhavya301:
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Answered by
1
LHS=(r-s)²+2rs
=(r²-2rs+s²)+2rs
=r²-2rs+s²+2rs
=r²+s²=RHS
=(r²-2rs+s²)+2rs
=r²-2rs+s²+2rs
=r²+s²=RHS
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