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Find the (R + 1) Th Term in the Binomial (x+d)n( x + d ) ^ { n }

Question 58

Multiple Choice

Find the (r + 1) th term in the binomial expansion. (x+d) n( x + d ) ^ { n }


A) n!(nr) !r!xnr+1dr1\quad \frac { n ! } { ( n - r ) ! r ! } x ^ { n - r + 1 } d ^ { r - 1 }

B) n!(nr) !r!xnrdr\quad \frac { n ! } { ( n - r ) ! r ! } x ^ { n - r } d ^ { r }

C) n!(nr1) !(r+1) !xnr1dr+1\frac { n ! } { ( n - r - 1 ) ! ( r + 1 ) ! } x ^ { n - r - 1 } d ^ { r + 1 }

D) n!(nr!(r+1) !xnr1dr+1\frac { n ! } { ( n - r ! ( r + 1 ) ! } x ^ { n - r - 1 } d ^ { r + 1 }

E)
n!(n+r1) !(r+1) !xn+r1dr+1\frac { n ! } { ( n + r - 1 ) ! ( r + 1 ) ! } x ^ { n + r - 1 } d ^ { r + 1 }

Correct Answer:

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