What is the value of 1 × 1! + 2 × 2! + 3 × 3! + . . . . . . . . n × n! where – OfficerPath

Latest Jobs CSS 2025 PMS CCE Sindh FPSC PPSC MCQs Past Papers Current Affairs Scholarships Admissions Downloads Roll No. Slips Results

MCQ Practice

What is the value of 1 × 1! + 2 × 2! + 3 × 3! + . . . . . . . . n × n! where n! means n factorial or n(n-1) (n-2) . . . . . . . . 1

Subject: MathematicsTopic: Permutations And Combinations

A

n × (n - 1) × (n - 1)!

B

(n + 1)! - {n × (n - 1)}

C

(n + 1)! - n!

D

(n + 1)! - 1!

Correct Answer: D

Practice Quiz Back to MCQs