Question

The term independent of x in the binomial expansion of \((x+\frac{2}{x^3})^{20}\) is

• A. \(\begin{pmatrix} 20 \\ 5 \end{pmatrix}2^{15}\)
• B. \(\begin{pmatrix} 20 \\ 15 \end{pmatrix}2^{10}\)
• C. \(\begin{pmatrix} 20 \\ 10 \end{pmatrix}2^{5}\)
• D. \(\begin{pmatrix} 20 \\ 10 \end{pmatrix}2^{10}\)
• E. \(\begin{pmatrix} 20 \\ 5 \end{pmatrix}2^{5}\)

Answer 1

Answer: (E)

The correct option is (E): \(\begin{pmatrix} 20 \\ 5 \end{pmatrix}2^{5}\)