If alpha = "^mC2 then "^alphaC2 is equa...

If ` alpha` = `"^mC_2` then `"^alphaC_2` is equal to

A

A.`"^(m+1)C_4`

B

B.`"^(m-1)C_4`

C

C.3.`"^(m+2)C_4`

D

D.3.`"^(m+1)C_4`

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