a²+b²-4ac+4c². I need the answer of this question guys.
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a²+b²-4ac+4c². I need the answer of this question guys.
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Answer:
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Answer:
\begin{lgathered}= a ^{2} + (2c)^{2} - 2(a)(2c) - b ^{2} \\ using \: identity \: (a - b) ^{2} = a^{2} + b ^{2} - 2ab \\ (a - 2c) ^{2} - b^{2} \\ using \: identity \: a ^{2} - b^{2} = (a + b)(a - b) \\ (a - 2c - b)(a - 2c + b)\end{lgathered}
=a
2
+(2c)
2
−2(a)(2c)−b
2
usingidentity(a−b)
2
=a
2
+b
2
−2ab
(a−2c)
2
−b
2
usingidentitya
2
−b
2
=(a+b)(a−b)
(a−2c−b)(a−2c+b)
mark me brainlist babe!! ♥