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The relation R(m, n) can be defined for ...

The relation R(m, n) can be defined for every positive integer m,n as `R (m,n) = m xx (m + 1) xx (m + 2) xx (m + 3) xx ……(m + n)` and the relation `R (1, n)` is equal to n! or can be written as R (n).
the value of `R(17).R(19,62) ` is :

A

`99!`

B

`100!`

C

`270`

D

None of these

Text Solution

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The correct Answer is:
A
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