Edit MetaData
8 years, 8 months ago
8 years, 8 months ago
The expression can be written as $$\sum{n*(n+1)*(n+2)}$$ where 1 <= n <= 50
= $$\sum{n(n^2 + 3n + 2)} = \sum{n^3 + 3n^2 + 2n}$$ where 1 <= n <= 50
= $$(50*51/2)^2$$ + 3*50*51*101/6 + 2*50*51/2 = 1756950
Day-wise Structured & Planned Preparation Guide
By proceeding you agree to create your account
Free CAT Schedule PDF will be sent to your email address soon !!!