1. Find the first term a and common difference
for the following A.P.
(i) 6, 9, 12, 15, ...
(ii) -7, -9,- 11, -13.
Answers
Answered by
4
Answer:
Hloo.....
1.First term(a)=6
Common difference (d)=9-6=3
2.First term(a)=-7
Common difference (d)=-9-(-7)=-9+7=-2
Hope this helps you......
Answered by
0
Answer:
(i) 9-6=3
12-9=3
15-12=3
therefore, common difference is 3
a=A2-d
=6-3
=3.
(ii) -9+7=-2
-11+9=-2
-13+11=-2
common difference= -2
a=A2-d
a=-7+2
=-5
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