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 $\dpi{120} \fn_jvn \large a_5$ term will be

 OPTIONS A. 0 B. 1 C. -1 D. None of these
Right Option : A

EXPLANATION
Explain TypeExplanation Content
Text

$S_9=0\Rightarrow S_9=9Xa_5=0$

$\Rightarrow a_5=0$

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