Question

the preceding term of 13 in an AP 13,10,7,.... is​

Answer 1

the preceding term of 13 is 16

Answer 2

Given : AP 13,10,7,. , ..

To Find : preceding term of 13

Solution:

preceding term of 13  means term before 13

Let say its a

Then  AP would be

a  , 13  , 10  , 7

Common difference of AP = 10 - 13 = - 3  

Hence 13 - a  = - 3

=> 13 + 3 = a

=> 16 = a

Hence preceding term of 13 is 16

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