JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

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Application +4 | -1

If the first, second and the last terms of an A.P. are

a, b

, c respectively, then the sum of the A.P. is

View answer and explanation

Correct option: C

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

Option C is correct because the sum of the A.P. is calculated using the first, second, and last terms.

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a,x,b

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

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y=x-2

\sum\limits_{{i=0}}^{2012} a_i

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

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\frac{3}{4}