Class 10 Math All topics Arithmetic Progressions



Find the first term and the common difference of an AP, if the term is and the term is .
Solution: If a is the first term and d is the common difference, then nth term,
Since, &
...(1)
& ...(2)
On subtracting equation (1) from equation (2), we get
Substituting the value of d in equation (1), we get
  and .

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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.
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introduction to trigonometry
functions
some applications of trigonometry
quadratic equations
polynomials