Question: (a) By using the binomial expansion, or otherwise, express (1 + 2x) in the form 1+ ax + bx + cx + 16x where

(a) By using the binomial expansion, or otherwise, express (1 + 2x)

(a) By using the binomial expansion, or otherwise, express (1 + 2x) in the form 1+ ax + bx + cx + 16x where a, b and c are integers. (b) Hence show that (1+2x)+(1-2x) = 2 + 48x + 32. (c) Hence show that the curve with equation y=(1+2x)4+ (1-2x)4 has just one stationary point and state its coordinates. (3)

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