Question 34Simplify: \(^{n}C_{r} ÷ ^{n}C_{r-1}\)A.\(\frac{n(n-r)}{r}\)B.\(\frac{n}{r(n-r)}\)C.\(\frac{1}{r(n-r)}\)D.\(\frac{n+1-r}{r}\)Objective Show full explanation