if 3times the 3rd term of an AP is equal to 5 times the 5th term of the AP then find the 8th term of the AP
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Answered by
56
3rd term is a+2d
5th term is a+4d
Now :
3*3rd term=5*5th term
==> 3*(a+2d)=5(a+4d)
==>3a+6d = 5a+20d
==> 2a+14d=0
==> a+7d=0
==>8th term is 0
The 8 th term is zero
Hope it helps
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Answered by
8
Answer by piyush
3rd term is a+2d
5th term is a+4d
Now :
3*3rd term=5*5th term
==> 3*(a+2d)=5(a+4d)
==>3a+6d = 5a+20d
==> 2a+14d=0
==> a+7d=0
==>8th term is 0
The 8 th term is zero
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