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  • Which term of the A.P. 10, 7, 4, ... is - 41 ?           <div st

Which term of the A.P. 10, 7, 4, ... is - 41 ?

 

 

 

 
 
 
 
 

Answers (1)

Given AP is 10, 7, 4, ..., - 41.

a=10,d=-3, a_n=-41

a_n=a+(n-1)d

-41=10+(n-1)(-3)

-41=10-3n+3

3n=54

n=18

Posted by

Ravindra Pindel

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