In an AP ninth term is 5 more that fourth term and The Fourth term is 15 find the terms of the AP
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Answer:
9th term=a+8d
4th term=a+3d
according to given information,
4th term =15
9th term =15+5=20
now, (elimination)
a+3d=15. (subtracting)
a+8d=20
_______
-5 d=-5
_______
d=1
a+3*1=15
a=5
A.P=5,6,7,8,9......
Hope it helps...
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