Find 17th term of series(A.P.)20,18,16,14.....
Answers
Answered by
1
Answer:
by use formula an=a+(n-1)×d
Explanation:
a17=20+(17-1)×(-2)
a17=20+(16)×(-2)
a17= 20-32
a17= -12
17th term of AP is -12
Answered by
3
Answer:
a17 = -12
Explanation:
AP : a1 , a2 , a3 ...... an
Common Difference (d) = a2 - a1
an = a + (n - 1)d
Here ,
AP : 20 , 18 , 16 , 14 ....
Common Difference (d) = a2 - a1
Common Difference (d) = 18 - 20
Common Difference (d) = -2
an = a + (n - 1)d
a17 = 20 + (17 - 1) -2
a17 = 20 + ( 16 X -2)
a17 = 20 + (-32)
a17 = 20 - 32
a17 = -12
HOPE IT HELPS YOU !
THANKS !
Similar questions
Science,
6 months ago
Hindi,
6 months ago
Computer Science,
6 months ago
Hindi,
1 year ago
History,
1 year ago