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0 votes
27.2k views
in Mathematics by (53.3k points)

The number of distinct terms in the expansion of (x + y – z)16 is 

(a) 136

(b)  153

(c)  16

(d)  17

1 Answer

+1 vote
by (63.3k points)
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Best answer

Correct option  (b)  153

Explanation:

Apply n+r–1Cr–1 to get number of terms 16 + 3 – 1C3 – 1 = 18C2

= 153

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