Question

Find the value of a, lf 9x^2 + 12x +4 = (ax+b)^2
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Answer 1

Answer:

a=3

Step-by-step explanation:

in such cases we compare the coefficients of both sides,

$or, 9x^2+12x+4=(ax+b)^2\\or, (3x+2)^2=(ax+b)^2\\or, 3x+2=ax+b$

or by comparing coefficients of both sides we get $a=3$.