**The question is of Class 10th NCERT Exercise 5.1 on Page: 99 Question no. 2 (i).**** Find whether the following question is an ****A.P or Not? Also give the slolution of the question.**

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# Find first four terms of the A.P when a= 10, d= 10.

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Solution:(i)

a= 10,d= 10d= Common Difference

a= Initial Value

Let the A.P be

a_{1}, a_{2}, a_{3}, a_{4}, a_{5}…a_{1}=a= 10a_{2}=a_{1}+d= 10+10 = 20a_{3}=a_{2}+d= 20+10 = 30a_{4}=a_{3}+d= 30+10 = 40……..

The First 4 terms of the A.P. will be 10, 20, 30, 40.