Question

8th term from end of AP 7,10,13,.................,184

Answer 1

Answer:

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HERE !!

first turn it 7 say "a"

and last term are "n"

D(Common difference = 13-10 = 10-7=>3

Now we have to find the 8th last term so it will be easier for us if we will reverse the AP.

=>184,181,.............13,10,7

now "D" = -3 and "a"=184,"an"=7

Now we have to find 8th term:-

Use "an" =a+(n-1)D

Just plug in values ..

a8=184+(8-1)×-3

a8=184-21

a8= -163 ANS..

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