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If in a triangle ABC, AD, BE and CF are ...

If in a triangle ABC, AD, BE and CF are the altitudes and R is the circumradius, then the radius of the circumcircle of `Delta DEF` is

A

`(R )/(2)`

B

`(2R)/(3)`

C

`(1)/(3)R`

D

None of these

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2016-MULTIPLE CHOICE QUESTIONS
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  2. The smallest positive root of the equation tan x-x=0 lies in

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  4. The points (-a,-b),(a,b),(0,0) and (a^(2),ab), a ne 0, b ne 0 are alwa...

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  14. General solution of y(dy)/(dx)+by^(2)=a cos x, 0 lt x lt 1 is Here ...

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