2. For an A.P. t10 - t1 = 18, find the value of d.
Answers
Answered by
2
Answer:
d=2
Step-by-step explanation:
a+9d-a=18
0+9d=18
d=18÷9
=2
Attachments:
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Answered by
4
Answer:
d = 2
Step-by-step explanation:
1st term = t1 = a
10th term = t10 = a + 9d
t10 - t1 = 18
a + 9d - a = 18
9d = 18
d = 18/9
d = 2
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