Question

Evaluate the following using formulae
4a²+ 12ab²+ 9b²
when a=1/2 and b=1/3
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Answer 1

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....

Answer 2

Answer:

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