Advertisements
Advertisements
प्रश्न
Every quadratic equation has at least one real root.
पर्याय
True
False
उत्तर
This statement is False.
Explanation:
For example, equation x2 + 4 = 0 has no real root.
APPEARS IN
संबंधित प्रश्न
Find the values of k for which the roots are real and equal in each of the following equation:
x2 - 4kx + k = 0
Solve the following quadratic equation using formula method only
`3"x"^2 + 2 sqrt 5x - 5 = 0 `
Solve the following quadratic equation using formula method only
3a2x2 +8abx + 4b2 = 0, a ≠ 0
Find the nature of the roots of the following quadratic equations: `x^2 - 2sqrt(3)x - 1` = 0 If real roots exist, find them.
Choose the correct answer from the given four options :
Which of the following equations has two distinct real roots?
The roots of the quadratic equation `2"x"^2 - 2sqrt2"x" + 1 = 0` are:
Equation (x + 1)2 – x2 = 0 has ____________ real root(s).
Which of the following equations has the sum of its roots as 3?
State whether the following quadratic equation have two distinct real roots. Justify your answer.
`sqrt(2)x^2 - 3/sqrt(2)x + 1/sqrt(2) = 0`
If 4 is a root of equation x2 + kx – 4 = 0; the value of k is ______.
