Find the value of 'a ': 4x^2+ ax + 9 = (2x + 3)^2 - Vidyadip

Question

Find the value of $'a\ ': 4x^2+ ax + 9 = (2x + 3)^2$

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Answer

$4x^2+ ax + 9 = (2x + 3)^2$
Comparing coefficients of $x$ terms, we get
$ax = 12x$
so$, a = 12$

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