Teaching UP TGT Mock Test Series 2025 Quantitative Aptitude Algebra Quadratic Equation

For which values of k, does the equation x² - kx + 2 = 0 have real and distinct solutions?

1

-2√2 < k < 2√2

2

k < -2√2 only

3

k > 2√2 only

4

k < -2√2 or k > 2√2

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