JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

1 Easy

1 of 1

Application +4 | -1

a G P

, if

\left\{a_n\right\}, a_1=3, a_n=96

and

S_n=189

, then the value of

r

View answer and explanation

Correct option: B

Option B (2) is correct because the common ratio 'r' is correctly calculated using the formula for the sum of a geometric progression.

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

{A} \cup({B} \cap {C})

A-(B \cap C)

(B \cup C)-A

a,b,c

a,x,b

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

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y=x-2

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

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a, b, c

\frac{3}{4}