Question 14 Marks
| Column - I | Column - II |
| (a) $1^2+2^2+3^2+\ldots+n^2$ | (i) $\left(\frac{n(n+1)}{2}\right)^2$ |
| (b) $1^3+2^3+3^3+\ldots+n^3$ | (ii) n(n+1) |
| (c) $2+4+6+\ldots+2 n$ | (iii) $\frac{n(n+1)(2 n+1)}{6}$ |
| (d) $1+2+3+\ldots+n$ | (iv) $\frac{n(n+1)}{2}$ |
Answer
View full question & answer→(a) ↔ (iii), (b) ↔ (i), (c) ↔ (ii), (d) ↔ (iv)