Advertisements
Advertisements
प्रश्न
Which of the following are quadratic equation in x?
`x^2-2/x=x^2`
उत्तर
`x^2-2/x=x^2`
⇒` x^2+2=x^3`
⇒`x^3-x^2-2=0`
`(x^3-x^2-2)` is not a quadratic polynomial.
`∴x^3-x^2-2=0` is not a quadratic equation.
APPEARS IN
संबंधित प्रश्न
Without solving, comment upon the nature of roots of the following equation:
x2 – ax – b2 = 0
(x + 3)² – 4(x + 3) – 5 = 0
Find the quadratic equation, whose solution set is:
{5, −4,}
`2/x^2-5/x+2=0`
` x^2+6x-(a^2+2a-8)=0`
`a^2b^2x^2+b^2x-1=0`
Determine whether x = -1 is a root of the equation x2 - 3x +2=0 or not.
Solve, using formula:
x2 + x – (a + 2)(a + 1) = 0
Solve the following equation by using formula :
`(2)/(x + 2) - (1)/(x + 1) = (4)/(x + 4) - (3)/(x + 3)`
The length of a rectangular park is 5 metres more than twice its breadth. If the area of the park is 250 sq. m, find the length and breadth of the park.
