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Find the distance between the two points...

Find the distance between the two points `(at_1^2,2at_1),(at_2^2,2at^2),t_2gtt_1`.

A

`a.(t_2-t_1).sqrt((t_1+t_2)^2+4)`

B

`(t_2-t_1)sqrt((t_1+t_2)^2-4)`

C

`(t_2-t_1)sqrt(4(t_1+t_2))`

D

None

Text Solution

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The correct Answer is:
A
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