5th term of an arithmetic sequence is 17 and its 10th term is 32 .
a) What is its common difference ?
b) What is its first term ?
c) Find the position of 92 in this sequence ?
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- Khushali.S.S. .
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Answer:a+4d=17
a+9d=32.
From above equations
a=5
d=3.
therefore first term is 5 and common difference is 3.
92=5+(n-1)3
n=30.
Explanation:
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