Advertisements
Advertisements
प्रश्न
Check whether the following are quadratic equations: `x + (2)/x = x^2, x ≠ 0`
उत्तर
`x + (2)/x = x^2, x ≠ 0`
x2 + 2 = x3 ⇒ x3 - x2 - 2 = 0
It is not a quadratic equation.
APPEARS IN
संबंधित प्रश्न
Check whether the following is the quadratic equation:
x3 - 4x2 - x + 1 = (x - 2)3
Solve x2 + 7x = 7 and give your answer correct to two decimal places
Without solving, comment upon the nature of roots of the following equations
6x2 – 13x +4 =0
Solve the following equations for x and give, in each case, your answer correct to two decimal places :
`x^2 - 16x + 6 = 0`
Without solving, comment upon the nature of roots of the following equation:
7x2 – 9x + 2 = 0
Which of the following are quadratic equation in x?
(2x+3)(3x+2)=6(x-1)(x-2)
Solve:
`((3x + 1)/(x + 1)) + ((x + 1)/(3x + 1)) = 5/2`
Solve :
`2x - 3 = sqrt(2x^2 - 2x + 21)`
Solve the following equation by using formula :
x2 + 7x – 7 = 0
Solve:
`2((2x - 1)/(x + 3)) - 3((x + 3)/(2x - 1)) = 5; x ≠ -3, (1)/(2)`