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An aritmetic progression consists of fiv...

An aritmetic progression consists of five terms whose sum is 15 and sum of the squares of the extremes is 58. Find the terms of progression.

Text Solution

Verified by Experts

1)
`a-3d+a-d+a+a+a+a+2d=15`
`5a=15`
`a=3`
2)
`(a-2d)^2+(a+2d)^2=58`
`(3-2d)^2+(3+2d)^2=58`
`9+4d^2-12d+9+4d^22+12d=58`
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