JEE MATHEMATICS MCQ: SEQUENCE OF SERIES

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Application +4 | -1

The sum to infinity of the progression

9 - 3 + 1 - \frac{1}{3} + ...

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Correct option: C

27 / 4

Option C (

27 / 4

) is correct because the sum to infinity of a GP is a/(1-r), where a=9 and r=-1/3.

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

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

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(B \cup C)-A

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\frac{3}{4}