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OpenStudy (anonymous):
If the first term of an A.P is 5 and commom difference is -3 then sun of its 60 terms is equal to
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OpenStudy (anonymous):
\[Sn = \frac{ n }{ 2}[2a+(n-1)d)\]
OpenStudy (anonymous):
n = 60 a = 5 d = -3 Just Plug the Values and Solve...:)
OpenStudy (anonymous):
5610? I CORRECT?
OpenStudy (anonymous):
No..i think..The answer Shuld be - ve...:)
OpenStudy (anonymous):
30 ( 10 - 177) = ?
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OpenStudy (anonymous):
- 5010
OpenStudy (anonymous):
yup
OpenStudy (anonymous):
=)
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