Q1 of 293 Page 445

Which of the following are quadratic equations in x?

The given equation is not a quadratic equation.

Explanation - Given


On getting reduced it becomes -





It is not in the form (a ≠ 0, a, b, c are real numbers)


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1

Which of the following are quadratic equations in x?

(x + 2)3 = x3 – 8

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Which of the following are quadratic equations in x?

2x + 3)(3x + 2) = 6(x - 1)(x - 2)

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Which of the following are the roots of 3x2 + 2x - 1 = 0 ?

(i) - 1 (ii) 1/3 (iii) –1/2

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Find the value of k for which x = 1 is a root of the equation x2 + kx + 3 = 0. Also, find the other root.