Q.

If   ncr denots the number of combinations formed from n things by taking r at a time, then the domain of the function gx=16xc2x1 is___

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a

0

b

1,2,3,4,5

c

0,1,2,3,4

d

ϕ

answer is D.

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Detailed Solution

Now  16x>0,  2x10,  16x2x1
  x<16,  x12,  x173
Dom. Of x{1,2,3,4,5}

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