Answer:
On solving, we get x × x + (1/x) × x = 5 × x. ⇒ x² + 1 = 5x. ⇒ x² - 5x + 1 = 0 (iii) √2x² - x - 7 = 0 is a quadratic equation. (iv) 3x² - √x + 1 = 0 is ...
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