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Question

Sarosh is arguing with Vignesh that the number of real roots of a quadratic equation depends on the discriminant. Is Sarosh’s argument true or false?


  1. True

  2. False


Solution

The correct option is A

True


For the quadratic equation ax2 + bx + c = 0, the number of real roots depends on whether the discriminant is greater than zero or not.

D = b2 – 4ac

(i) D > 0, two distinct real roots

(ii) D = 0, two equal roots

(iii) D < 0, No real roots

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