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Sum of Coefficients of All Terms

1+x15=a0+a1x+...

Question

$(1 + x)^{15} = a_{0} + a_{1} x + \dots \dots + a_{15} x^{15} \Rightarrow \sum_{r = 1}^{15} r \frac{a_{r}}{a_{r - 1}} =$

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Similar questions

(1 + x)^{15} = a_{0} + a_{1} x + \dots \dots + a_{15} x^{15}

\sum_{r = 1}^{15} r \frac{a_{r}}{a_{r} - 1}

(1 + x)^{15} = a_{0} + a_{1} x + \dots + a_{15} x^{15} \Rightarrow \sum_{r = 1}^{15} r \frac{a_{r}}{a_{r - 1}}

$(2 + x + x^{3})^{5} = a_{0} + a_{1} x + . . . . . + a_{15} x^{15}$ . find the value of $a_{0} + 2 a_{1} + a_{2} + 2 a_{3} . . . . + 2 a_{15}$

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

n \in N

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

a_{r}

(0 \leq r \leq 2 n)

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