Question:medium

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

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For a trinomial $(x+y+z)^n$, the number of terms simplifies to $\frac{(n+1)(n+2)}{2}$. For $n=10$: $\frac{11 \times 12}{2} = 66$.
Updated On: May 31, 2026
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  • 66
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The Correct Option is B

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