Question:

If the straight line  y = mx lies outside of the circle x2+ y2– 20y + 90 = 0, then the value of m will satisfy 

Updated On: Apr 23, 2024
  • (A) m < 3
  • (B) |m| < 3 
  • (C) m  > 3
  • (D) |m| > 3
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The Correct Option is B

Solution and Explanation

Explanation:
x2+m2x220mx+90x2(1+m2)20mx+90=0D<0400m24×90(1+m2)<040m2<360m2<9;mk3
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