Question

Anyone know how to solve this... ​

Answer 1

see below

Explanation:

D = 1 - ∑(4/125)²

D = 1 - (2/5³)²

D = 1 - 2²

5³ ²

D ≅ 0.99974

Answer 2

I would try putting it into a graphing calculator... then you should come up with an answer


Hope this helps :)