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Subjects
Mathematics CBSE
Class 10
Arithmetic Progression
Textbook questions
25.
Exercise problem XX
Exercise condition:
1
m.
Show that
a_1, a_2 … , a_n , …
form an AP where an is defined as below
a_n = 3 + 4n
Also find the sum of the first
15
terms in each case.
Sum of first
15
terms
=
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