Question

Expand and Evaluate PLEASE provide step by step if you can

Answer 1

a) 1² + 2² + 3² + 4² + 5² = 1 + 4 + 9 + 16 + 25

= 55

b) This sum is infinite.

c)

10(3² + 3³ + 3⁴ + 3⁵ + 3⁶ + 3⁷ + 3⁸ + 3⁹ + 3¹⁰)

= 10(3²)(3⁹ - 3)/(3 - 1) = 10(88,569) = 885,690