If the chords of contact of tangents from two points x1,y1 and x2,y2 to the hyperbol.... VIDEO
If the chords of contact of tangents from two points x1,y1 and x2,y2 to the hyperbolax2a2-y2b2=1 are at right angles, then x1x2y1y2 is equal to š²PW App Link - https://bit.ly/YTAI_PWAP šPW Website - https://www.pw.live
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