Q1 of 78 Page 14

Mark the Correct alternative in the following:

The complete set of values of k, for which the quadratic equation has equal rots, consists of


Since roots are equal then b2 – 4ac = 0

From the given equation we get,


K2 – 4 (1) (k+2) = 0


K2 – 4 k - 8 = 0







=2±√12

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If α, β are roots of the equation , write an equation whose roots are and .

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If α, β are roots of the equation , then write the value of .

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Mark the Correct alternative in the following:

For the equation , the sum of the real roots is


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Mark the Correct alternative in the following:

If a, b are the roots of the equation , then