Math, asked by Sundram9, 1 year ago

How many terms of the AP :- -15, -13, -11,... are needed to make the sum -55. Explain the reason for double answer.

Answers

Answered by ammu3327
1
when we solving the problem it gives the quadratic equation
n^2 -16n + 55 = 0
So n -11= 0 & n -5 = 0
Answered by YaswanthPSBK
2

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