Asked by Ishimwe

The sum of the first and fourth terms of an arithimetic sequences is 2 and the sum of their squares is 20
1. Find the common difference
2.find the sum of the first eight terms of the squence

9 years ago

Answered by Steve

a + a+3d = 2
a^2 + (a+3d)^2 = 20

you will get two solutions.

9 years ago

Answered by FEDRICK

I need solution and answers

3 years ago

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