Q100 / 180 · KCET 2020 · Mathematics

The number of terms in the expansion of $(x+y+z)^{10}$ is

Correct answer
A
66
B
142
C
11
D
110

Solution

We have, $(x+y+z)^{10}$ Total number of terms in the expansion of $(x+y+z)^{10}={ }^{10+3-1} C_{3-1}={ }^{12} C_{2}=66$

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

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