Maths / Arithmetic Progression / Sum of First n Terms

QUESTION
 

What is the value of 11th term of an AP series,if the sum of its first 11 terms is equal to the sum of 1st 10 terms?

OPTIONS
A. 

11

B. 

1

C. 

0

D. 

None of these

Right Option : C

EXPLANATION
Explain TypeExplanation Content
Text

LARGE because S_1_1=S_1_0

LARGE Rightarrow S_1_1-S_1_0=0

We know that,LARGE S_n-S_n_-_1=a_n,

so LARGE S_1_1-S_1_0=0Rightarrow a_1_1=0

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