Question

1. The sum of (x + 3) observations is (x4 -81). Find the mean of the observations. class-8, subject-maths​

Answer 1

Answer:

The sum of (x + 5) observations is x4 – 625. Find the mean of the observations. Try These. 1. Divide 15 (y + 3) (y² – 16) by 5 (y² ...