The number of terms in the expansion of `(a+b+c)^n ,w h e r en in Ndot`A. `n+1`B. `n+2`C. `n(n+1)`D. `((n+1)(n+2))/(2)`

The number of terms in the expansion of `(a+b+c)^n ,w h e r en in Ndot

1.	The number of terms in the expansion of `(a+b+c)^n ,w h e r en in Ndot`A. `n+1`B. `n+2`C. `n(n+1)`D. `((n+1)(n+2))/(2)`
Answer» Correct Answer - D Required number of terms in `(a + b + c)^(n)` `=.^(n+2)C_(2)((n+2)!)/(2!n!)=((n+1)(n+2))/(2)`

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