(a+b=6)^2
a^2+2a.b+b^2=36
a^2+2.4+b^2=36
a^2+b^2=28
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Sale 28
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Verified answer
(a+b=6)^2
a^2+2a.b+b^2=36
a^2+2.4+b^2=36
a^2+b^2=28
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Sale 28