Find the 7th term from the end of the A.p.7,10,13.....182
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D =3
Now reverse the ap
I. E. 182,179______13,10,7
Now new a=182 and d=-3
T7=a+6d
182+6(-3)
=182-18
=164 ans
Now reverse the ap
I. E. 182,179______13,10,7
Now new a=182 and d=-3
T7=a+6d
182+6(-3)
=182-18
=164 ans
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