the 3 term of an Ap is -40 and 13 term is 0 then the common difference equals
Answers
Answered by
0
Answer:
r=1
∑
10
99
a
2r
=
r=1
∑
10
99
(a
2r−1
+d)=
r=1
∑
10
99
a
2r−1
+(10
99
)d
or 10
100
=10
99
+10
99
.d
∴ 10-1 = d or d= 9
How
Answered by
1
t
7
=2+(7−1)(−2)=−10
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