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Question
Find the first term and common difference for the A.P.
`1/4,3/4,5/4,7/4,...`
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Solution
`1/4,3/4,5/4,7/4,...`
Here, t1 = a = `1/4`, t2 = `3/4`, t3 = `5/4`, t4 = `7/4`
d = t2 - t1 = `3/4-1/4`
= `(3-1)/4`
= `2/4`
= `1/2`
∴ First term is `1/4` and common difference (d) is `1/2`.
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