Get Answers to all your Questions

header-bg qa

The equation of the circle and its chord are respectively x^2+y^2 =a^2 and xcosk +ycosk =p . The equation of the circle of which discord is a diameter is

Answers (2)

best_answer

@Shekhar suman

Example 55. Find the middle point of the chord interce ted on line lx+my+n=o by the circle Sol. Let (xp Yl) be the middle point of the chord intercepted by the circle x 2 + y = a on the line lx + my + n = 0. Then, equation of the chord of the circle x2 + y = a2, whose middle points is (xp h), is -x or 2 + Yh—a = Xl + Yl —a + YYI = + Yl Clearly, lx + my + n = 0 and Eq. (i) represented the same line, XI_YI-XI + Yl and or 1212 So, from Eq. (ii), Hence, the required point is — —n + m2X2 = — nX n 2 12 + m nl 12 + nl 12 m (say) ...(ii) [from (ii)] mn 12 m2 nm 12 + m 2
Posted by

Pankaj

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

@shekhar suman

if a circle s bisects the circumference  circle s1 then commen chord is diameter of s1

Posted by

Safeer PP

View full answer