Class 10 Math All topics Arithmetic Progressions
Find the sum of the following arithmetic progressions:
to terms.
Solution: 
Given A.P is
number of terms of A.P is
first term of this A.P is
second term of this  A.P is
common difference
we know that sum of n term of an A.P is given by
hence the sum of 12 terms of given A.P is

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Similar topics
introduction to trigonometry
functions
some applications of trigonometry
quadratic equations
surface areas and volumes
widgit image
Connecting you to a tutor in 60 seconds.
Get answers to your doubts.
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introduction to trigonometry
functions
some applications of trigonometry
quadratic equations
surface areas and volumes