Q59 / 160 · TS EAMCET 2025 (03 May Shift 2) · Mathematics

If $\mathrm{C}_0, \mathrm{C}_1, \mathrm{C}_2, \ldots, \mathrm{C}_n$ are the binomial coefficients in the expansion of $(1+x)^n$ then the value of $\sum r^3 \cdot \mathrm{C}_r$ when $n=5$ is

A
320
B
560
C
720
Correct answer
D
800

Hence, the correct answer is option: 'D'.

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