Evaluate the following using formulae
4a²+ 12ab²+ 9b²
when a=1/2 and b=1/3
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Evaluate the following using formulae
4a²+ 12ab²+ 9b²
when a=1/2 and b=1/3
no spam
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the question is worng .....
the correct question is 4a^2+12ab+9b^2
now the answer is
4a^2+12ab+9b^2
=(2a)^2+2×2a×3b+(3b)^2
=(2a+3b)^2
now putting the vale of a and b ,we get
=(2×1/2+3×1/3)
= (1+1)
=2
that is the answer
hope it help....
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