nCr = r! * nPr.
nCr = r! * nPr. Correct Answer False
Formula for nCr = n! / r!(n – r)!. nPr = n! / (n – r)! So, n! / r!(n – r)! = n! / (n – r)!. nPr = r! * nCr nCr = nPr / r!nCr = r! * nPr. Correct Answer False
Formula for nCr = n! / r!(n – r)!. nPr = n! / (n – r)! So, n! / r!(n – r)! = n! / (n – r)!. nPr = r! * nCr nCr = nPr / r!