Find the locus of midpoint of chords of the circle x ^(2) + y ^(2) = r^(2) , substending a right angle at the point (a,b)
The locus of the midpoints oof chords of the circle x^(2)+y^(2)=4 which substends a right angle at the origin is
Find the locus of the mid-point of the chord of the hyperbola x^(2)/a^(2)-y^(2)/b^(2)=1 which subtends a right angle at the origin.
The locus of the point, the chord of contact of which wrt the circle x^(2)+y^(2)=a^(2) subtends a right angle at the centre of the circle is
The locus of the foot of the perpendicular drawn from the origin to any chord of the circle x^(2)+y^(2)+2gx+2fy+c=0 which substents a right angle at the origin is
The condition that the chord of contact of the point (b,c) w.r.t. to the circle x^(2)+y^(2)=a^(2) should substend a right angled at the centre is
The condition that the chord a x cos alpha +y sin alpha -p=0" of "x^(2)+y^(2)-a^(2)=0 subtend a right angle at the centre of the circle is
VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-PAIR OF STRAIGHT LINES -EXERCISE - 4(c) III.