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प्रश्न
Find the value of 'a': 4x2 + ax + 9 = (2x + 3)2
बेरीज
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उत्तर
4x2 + ax + 9 = (2x + 3)2
Comparing coefficients of x terms, we get
ax = 12x
so, a = 12
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Expansion of Formula
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