JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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Application +4 | -1

If the first, second and last terms of an AP are

a, b, c

respectively, then the sum is

View answer and explanation

Correct option: C

\frac{(a+c)(b+c-2 a)}{2(b-a)}

Option C (

\frac{(a+c)(b+c-2a)}{2(b-a)}

) is correct because it is the sum of the AP, derived using the given first, second, and last terms.

More Questions from SEQUENCE OF SERIES

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A=\{1,2,3\}, B=\{3,4\}, C=\{4,5,6\}

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a,x,b

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{x^2},{b^2},{y^2}

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\log \left(\frac{a}{3 b}\right)

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\frac{3}{4}