the 17th term of an AP exceeds its 10th term by 7. find cd?
Answers
Answered by
1
Answer: cd = 1
Step-by-step explanation:
a17 = a + 16d where d is the common difference and a is the first term
a10 = a + 9d
a17-a10 = 7
ie. a+16d - a- 9d = 7
or 7d = 7
Hence d = 1
Answered by
1
Answer:
17th term is a+16d
10ty term is a+9d
then
a+9d+7=a+16d
7d=7
d=1
ok
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