find the 20 and 25 terms of the AP 3, 8, 13, 18...........?
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Answered by
1
20 term is 98 and 25 term is 123
SatishPhangcho:
The 25th term I've got 123
ooo
sorry i have take 23 term
it ok
thanks guys
Answered by
0
a=3,
d=5,
then,
an=a+(n-1)
=3+19d
=3+95
=98
a20=98,
a25=3+120
=123.
d=5,
then,
an=a+(n-1)
=3+19d
=3+95
=98
a20=98,
a25=3+120
=123.
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