Find the first three terms of the expansion, in ascending powers of x, of (1 – 2x)². Hence, find the coefficient of x² in the expansion of (1 + 3x)(1 – 2x)'². (i) (ii)

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Chapter8: Sequences And Series
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4.
Find the first three terms of the expansion, in ascending powers of x, of (1 – 2x)².
Hence, find the coefficient of x in the expansion of (1 + 3x)(1 – 2x)².
(i)
(ii)
Transcribed Image Text:4. Find the first three terms of the expansion, in ascending powers of x, of (1 – 2x)². Hence, find the coefficient of x in the expansion of (1 + 3x)(1 – 2x)². (i) (ii)
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