5, 7, 9, 11,... upto 30 terms,Find the sum of the first n terms of the following AP.as asked for.
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Answered by
8
a = 5
d = 7 - 5 = 2
n = 30
Sn = n/2 [ 2a + (n-1) d]
= 30 /2 [ 2 × 5 + 29 × 2]
= 15 ( 10 + 58)
= 15 × 68
= 1020
d = 7 - 5 = 2
n = 30
Sn = n/2 [ 2a + (n-1) d]
= 30 /2 [ 2 × 5 + 29 × 2]
= 15 ( 10 + 58)
= 15 × 68
= 1020
Answered by
2
I have solved it in photo, I hope it helps
God be with you and give you wisdom do solve everything
God be with you and give you wisdom do solve everything
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