Home
Class 12
MATHS
OA and OB are tangents drawn from the or...

OA and OB are tangents drawn from the origin O to the circle `x^2+y^2+2gx + 2fy +c=0` where c > 0, C being the centre of the circle. Then ar (quad. OACB) is:

A

`sqrt(c(g^2+f^2-c))`

B

`1/2sqrt(c(g^2+f^2-c))`

C

`csqrt(g^2+f^2-c)`

D

`sqrt((g^2+f^2-c)/c)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CIRCLES AND SYSTEMS OF CIRCLES

    MODERN PUBLICATION|Exercise MCQs LEVEL - II|51 Videos

  • CIRCLES AND SYSTEMS OF CIRCLES

    MODERN PUBLICATION|Exercise AIEEE/JEE Examination|9 Videos

  • CARTESIAN SYSTEM OF RECTANGULAR CO-ORDINATES AND STRAIGHT LINES

    MODERN PUBLICATION|Exercise Recent Competitive Questions (Questions from Karnataka CET & COMED)|8 Videos

  • COMPLEX NUMBERS

    MODERN PUBLICATION|Exercise Questions from karnataka CET & COMED|15 Videos

Similar Questions

Explore conceptually related problems

The tangents drawn from the origin to the circle : x^2+y^2-2gx-2fy+f^2=0 are perpendicular if:

The equations of tangents drawn from the origin to the circle x^2+y^2-2rx-2hy+h^2=0 are :

Tangtnts drawn from the point (4,3) to the circle x^(2)+y^(2)-2 x-4 y=0 are inclined at an anglt

The angle between the tangents from the origin to the circle (x-7)^2 +(y+1)^2=25 is :

Find the centre of the circle x^2+y^2+2x+2=0

The length of the tangent from the point (1,-4) to the circle 2x^2+2y^2-3x+7y+9=0

The number of tangents, which can be drawn from the point (1, 2) to the circle x^2 + y^2 = 5 is :

The length of the tangent from the point (1, -4) to the circle 2x^(2) + 2y^(2) - 3x + 7y + 9 = 0 is

Length of tangent drawn from any point on the circle x^2+y^2+2gx + 2fy +c=0 to the circle : x^2+y^2+2gx+2fy+c'=0 is :

Find the length of the tangents drawn from the point (3,-4) to the circle 2x^(2)+2y^(2)-7x-9y-13=0 .