(i) p: Each radius of a circle is a chord of the circle. (ii) q: The centre of a circle bisects each chord of the circle. (iii) r: Circle is a particular case of an ellipse. (iv) s: If x and y are ...
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(i) p: If all the angles of a triangle are equal, then the triangle is an obtuse angled triangle. (ii) q: The equation does not have a root ...
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implies that a = b” is not true by giving a counter-example.
, then x is 0” is true by(i) direct method, (ii) method of contradiction, (iii) method of contrapositive.