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for the expansion of (k+t)power22, state a. the number of terms b. the degree of each term c. the first four terms in the expansion, without coeffiecients
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Find the first four terms in the binomial expansion of (1+x)^(1/5) and state the range of values of x for which this expansion is valid.Hence approximate (31)^(1/5) correct to four decimal places.
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