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Question
The common difference of the A.P. `1/p, (1 - p)/p, (1 - 2p)/p`, ... is ______.
Options
1
`1/p`
–1
`- 1/p`
MCQ
Fill in the Blanks
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Solution
The common difference of the A.P. `1/p, (1 - p)/p, (1 - 2p)/p`, ... is –1.
Explanation:
Given, A.P. = `1/p, (1 - p)/p, (1 - 2p)/p ...`
∴ Common difference = `(1 - p)/p - 1/p`
= `(1 - p - 1)/p`
= `(-p)/p`
= –1
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