Class 10 Math All topics Arithmetic Progressions
If denotes the sum of terms of an AP and then is
(a)
(b)
(c)
(d)
Correct answer: (a) 
Solution:  denotes sum of terms.
Answer

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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