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If x(1),x(2),x(3)as well as y(1),y(2),y(...

If `x_(1),x_(2),x(3)`as well as `y_(1),y_(2),y_(3)` are in geometric progression with the same common ratio,then the points (x_(1),y_(1)),(x_(2),y_(2)),(x_(3),y_(3))`

A

lie on an ellipse

B

lie on a circle

C

are vertices of a triangle

D

lie on a stright line

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The correct Answer is:
D
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NEW JOYTHI PUBLICATION-SEQUENCES AND SERIES -QUESTIONS FROM COMPETITIVE EXAMS
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  18. The sum of the series 1/(2!) - 1/(3!) + 1/(4!) - …….. upto infinity is

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