Important Questions of Maths Class 10 Ch-4

Important Questions of Maths Class 10 Ch-4 Quadratic Equations

MCQ (1 Marks)

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Question 1:
The discriminant of the quadratic equation x² – 3x – 2 = 0 is:
द्विघात समीकरण x² – 3x – 2 = 0 का विविक्तकर है:
(a) 1 (b) 17 (c) \(\sqrt{17}\) (d) – \(\sqrt{17}\)

Question 2:
The equation x + \(\frac{1}{x}\) = 3 (x \(\neq\)0) is expressed as a quadratic equation in the form of ax² + bx + c = 0. The value of a – b + c is :
समीकरण x + \(\frac{1}{x}\) = 3 (x \(\neq\)0) को एक द्विघात समीकरण ax² + bx + c = 0 के रूप में व्यक्त किया जाता है। a – b + c का मान है:
(a) 5 (b) 2 (c) 1 (d) -1

Question 3: