Maths / Arithmetic Progression / Sum of First n Terms

QUESTION
 

If the sum of first 9 terms of an AP is zero, then the value of large a_5 term will be

OPTIONS
A. 

0

B. 

1

C. 

-1

D. 

None of these

Right Option : A

EXPLANATION
Explain TypeExplanation Content
Text

S_9=0Rightarrow S_9=9Xa_5=0

Rightarrow a_5=0

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