Question

1²+2²+3²_ _ _ +14²=​

Answer 1

Answer:

Use formula

$\sum {k}^{2} = \frac{n(n + 1)(2n + 1)}{6}$

Put n = 14

$\frac{14 \times 15 \times 29}{6} = 1015$

Answer 2

Answer:

Step-by-step explanation:

Simple the answer is 1,015