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Let n N. If (1 + x)^n = a_0 + a_1 x + a_2x^2 + ... + a_n x^n

Question

Let $n \in N$ . If $(1 + x)^{n} = a_{0} + a_{1} x + a_{2} x^{2} + ... + a_{n} x^{n}$ and $a_{n - 3}, a_{n - 2}, a_{n - 1}$ are in A. P then

a_{1}, a_{2}, a_{3}

are in A.P.

a_{1}, a_{2}, a_{3}

are in H.P

n = 7

n = 14

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Sofia Discussed

Let

n \in N

. If

(1 + x)^{n} = a_{0} + a_{1} x + a_{2} x^{2} + ... + a_{n} x^{n}

and

a_{n - 3}, a_{n - 2}, a_{n - 1}

are in A. P then

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Question Text

Let

n \in N

. If

(1 + x)^{n} = a_{0} + a_{1} x + a_{2} x^{2} + ... + a_{n} x^{n}

and

a_{n - 3}, a_{n - 2}, a_{n - 1}

are in A. P then

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