JSUNIL TUTORIAL Page 1 www.jsuniltutorial.weebly.com/
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JSUNIL TUTORIAL Page 1 www.jsuniltutorial.weebly.com/
IA L TO R TU IL JS UN www.jsuniltutorial.weebly.com/ Page 1 23. Find the root of quadratic equation 4x2 + 4bx – (a2 – b2) = 0 by the method of completing perfect square JS UN IL TU TO R IA L 24. The two tangents drawn to a circle with centre O from an external point P . If OP is equal to diameter of circle, show that triangle APB is equilateral. www.jsuniltutorial.weebly.com/ Page 2