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If x, y, z are integers such that x >=0,...

If x, y, z are integers such that `x >=0, y >=1, z >=2` and x + y + z = 15 , then the number of values of ordered triplets (x,y,z) are

A

91

B

455

C

`""^(17)C_(15)`

D

55

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The correct Answer is:
A
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