29 нояб. 2021 г. · A quadratic equation ax² + bx + c = 0 has no real roots when the discriminant of the equation is less than zero. Discriminant = b² - 4ac. From ...

19 нояб. 2020 г. · Which of the following quadratic equations has no real roots?A 2x2 + 4x = 3. C. 3s2 - 2s = -5. B. 12 - 80 - 4 = 0. D. -272 + + 7 = 0

The correct Answer is:A. (a) The given equation is x2−4x+3√2=0. On comparing with ax2+bx+c=0, we get a=1,b=−4 and c=3√2. The discriminant of x2−4x+3√2=0 is

Question 10. Which of the following equations has no real roots? (A) x2−4x+3√2=0 (B) x2+4x−3√2=0 (C) x2−4x−3√2=0 (D) 3x2− 4√3x+4=0. Open in App. Solution ...

9 янв. 2020 г. · The quadratic equation ax2+bx+c=0 has no real roots only when discriminant D<0. D=b2−4ac<0. A) x2+4x+3√2=0. Here,. D=(4)2−4×3√2. =16−16.97<0. B) ...

17 янв. 2022 г. · Concept: if, b2 - 4ac < 0. No real roots. Calculation: Option: 1. x2 - 4x + 3√2 = 0. a = 1, b = -4, c = 3√2. b2 - 4ac = (-4)2 - 4(1)(3√2).

2 нояб. 2020 г. · Answer: C Explanation: Its discriminant is -54 and negative discriminant has no real roots according to the nature of the roots.

Which of the following equations has no real roots? (A) x 2 - 4 x + 3 2 = 0. (B) x 2 + 4 x - 3 2 = 0. (C) x 2 - 4 x - 3 2 = 0.

7 авг. 2024 г. · A quadratic equation has no real roots if the discriminant is less than zero (D < 0). Let's analyze each option step by step.

16 июл. 2020 г. · The given equation is = 0. On comparing the equation with ax 2 + bx + c = 0, we get a = 1, b = 4 and c = - 3 2. Then, D = b 2 – 4ac