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  • Which of the following are APs ? If they form an AP, find the common difference d and write three more terms. (vi) 0.2,0.22,0.222,0.2222,...

Q : 4       Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.

              (vi)  \small 0.2,0.22,0.222,0.2222,...
 

Answers (1)

best_answer

Given series is
\small 0.2,0.22,0.222,0.2222,...
Now,
the first term to this series is = 0.2
Now,
a_1 = 0.2 \ \ and \ \ a_2 = 0.22 \ \ and \ \ a_3 = 0.222 \ \ and \ \ a_4 = 0.2222
a_2-a_1 = 0.22-0.2=0.02
a_3-a_2 = 0.222-0.22=0.002

We can clearly see that the difference between terms are not equal  
Hence, given series is not an AP
 

Posted by

Gautam harsolia

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