Class 10 Math All topics Arithmetic Progressions



What is the common difference of an A.P. in which ?
(a)
8
(b)
-8
(c)
-4
(d)
4
Correct answer: (a) 
Solution: 
We know that
 
Given

Hence, the common difference is  
And the correct answer is option

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Similar topics
introduction to trigonometry
functions
some applications of trigonometry
quadratic equations
polynomials
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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
polynomials