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The number of terms in the expansion of ...

The number of terms in the expansion of `(a+b+c)^n` where `ninN` is

A

((n+1)(n+2))/2

B

n+1

C

n+2

D

(n+1)n

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The correct Answer is:
A
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PATHFINDER-BINOMIAL THEOREM-QUESTION BANK
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  7. Let n be a positive integer such that (1+x+x^2)^n=a0+a1x+a2x^2+…….+a(2...

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  8. Give the integers rgt1 , ngt2 and c0-efficients of (3r)^th and (r+2)^(...

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  11. The value of "^30C0.^30C10+^30C1.^30C11+^30C2.^30C(12)+……+^30C(20) . ^...

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  12. The number of distinct terms in the expansion of (x^3+1+(1/x^3)): xinK...

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  13. The number of integral of integral terms in the expansion of (17^(1/3)...

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  14. The expression (x+sqrt(x^3-1))^7+(x-sqrt(x^3-1))^7 is a polynomial of ...

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  18. Remainder when 5^(40) is divided by 11.

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  20. Number of values of r satisfying the equation ,^69C(3r-1) -^(69)C(r^2)...

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