General Term Of an AP


 
 
Concept Explanation
 

General Term Of an AP

If the given A.P. is a, ,a+d, ,a+2d, .... then its small n^{th}nth term is given by

small a_{n}=a_{1}+(n-1)d

For example:small n^{th}

The first term of an A.P. is 10 and common difference is 5, then the expression for its general term.

small a_{n}=10+(n-1)5

small a_n=10+5n-5

small a_n=5n+5

Sample Questions
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Question : 1

Find the value of x if

large 2x+1, x^2+x+1 ;and; 3x^2-3x+3 ;are; in; AP

Right Option : C
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Explanation
Question : 2

Find the general term of an AP 11,15,19,.....

 

Right Option : D
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Explanation
Question : 3

One of the following statement is true. Identify the statement.

Right Option : B
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Explanation
 
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