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5. The co-efficient of x in the expansion of (1-2x + 3x) (1 - 2x 2 (1+1) is: (a) 56 (b) 65 (c) 154

5. The co-efficient of x in the expansion of (1-2x + 3x) (1 - 2x 2 (1+1) is: (a) 56 (b) 65 (c) 154 (d) 62

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