if nth term of an ap is 3n-5.find the common difference
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if nth term of an ap is 3n-5.find the common difference
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Answer:
3
Step-by-step explanation:
STEPS ARE IN ATTACHMENT
Step-by-step explanation:
Given :
nth term of an A.P is 3n - 5.
To find :
The common difference (d).
Solution :
Common difference = [tex]{a_{n}}-a_{n-1}[/tex]
We have,
[tex]a_{n}[/tex] = 3n + 5
[tex]a_{n-1}[/tex] = 3(n - 1) + 5
Common difference (d) = [tex]{a_{n}}-a_{n-1}[/tex]
∴ The common difference is 3.
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