""^(47)C(4) + sum(f=i)^(5)""^(52-r) C(3)...

`""^(47)C_(4) + sum_(f=i)^(5)""^(52-r) C_(3)` के प्रसार का मान होगा-

A

`""^(57)C_(4)`

B

`""^(52) C_3`

C

`""^(52) C_7`

D

`""^(42) C_3`

Verified by Experts

The correct Answer is:

A

""^(47)C(4) + sum(f=i)^(5)""^(52-r) C(3) के प्रसार का मान होगा-
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