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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Solution:
(i) a = 10, d = 10
d= Common Difference
a= Initial Value
Let the A.P be a1, a2, a3, a4, a5 …
a1 = a = 10
a2 = a1+d = 10+10 = 20
a3 = a2+d = 20+10 = 30
a4 = a3+d = 30+10 = 40
……..
The First 4 terms of the A.P. will be 10, 20, 30, 40.