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E) Expanded form of (2x + 1)2 equals toA) 4x2 + 6x3 + 3x + 2 B) 8x3 + 16x2 + 6x + 1C) 8x3 + 12x2 + 6x + 1 D) 4x3 + 12x2 + 6x + 1 |
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Answer» (2X+1)²= by USING IDENTITY a+b² = a²+b²+2ab here a=2x, b=1 (2x)²+1²+2×2x×1 4x²+1+4x |
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