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B(1) is a point on the side AC of Delta...

`B_(1)` is a point on the side AC of `DeltaABC` and `B_(1)B` is joined. A line is drawn through a parallel to `B_(1)B` meeting BC at `A_(1)` and another line is drawn through C parallel to `B_(1)B` meeting AB produced at `C_(1)` The

A

`1/(C C_1) - 1/(A A_1) = 1/(B B_1)`

B

`1/(C C_1) + 1/(A A_1) = 1/(B B_1)`

C

`1/(B B_1) - 1/(A A_1) = 2/(C C_1)`

D

`1/(A A_1) - 1/(C C_1) = 2/(B B_1)`

Text Solution

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The correct Answer is:
B
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KIRAN PUBLICATION-GEOMETRY-QUESTIONS ASKED IN PREVIOUS SSC EXAMS (TYPE-III)
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  6. Possible measures of three angles of a triangle are

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  7. In DeltaABC, AB = a - b, AC = sqrt(a^2 + b^2) and BC = sqrt(2ab), then...

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  8. If in DeltaABC, DE||BC, AB = 7.5 cm, BD = 6 cm and DE = 2cm, then the ...

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  9. In DeltaABC, /A = 90^@, AD|BC and AD = BD = 2 cm. The length of CD is

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  10. The lengths of side AB and side BC of a scalene triangle ABC are 12 cm...

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  11. In DeltaABC, DE||BC such that (AD)/(BD) = 3/5. If AC = 5.6 cm, then AE...

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  12. In a triangle PQR, PQ = PR and /Q is twice that of /P. Then /Q Is equa...

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  13. A point P lying inside a triangle is equidistant from the vertices of ...

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  14. In DeltaABC two medians BE and CF intersect at the point O and P, Q ar...

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  15. The point where the all three medians of a triangle meet is called

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  16. An exterior angle of a triangle is 115^@ and one of the interior oppos...

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  17. In DeltaABC, the line parallel to BC Intersects AB and AC at P and Q r...

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  18. The mid points of AB and AC of the DeltaABC are P and Q respectively. ...

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  19. The difference between the largest and the smallest angles of a triang...

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  20. The mid-points of sides AB and AC of a triangle ABC are respectively X...

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