Advertisements
Advertisements
प्रश्न
Solve equation using factorisation method:
`2x^2 - 1/2x = 0`
Advertisements
उत्तर
`2x^2 - 1/2x = 0`
⇒ `x(2x - 1/2) = 0`
Since x = 0 or 2x – `1/2` = 0
Then x = 0 or x = `1/4`
APPEARS IN
संबंधित प्रश्न
Solve the following quadratic equations by factorization:
a(x2 + 1) - x(a2 + 1) = 0
Is there any real value of 'a' for which the equation x2 + 2x + (a2 + 1) = 0 has real roots?
The value of c for which the equation ax2 + 2bx + c = 0 has equal roots is
Solve the following equation :
`sqrt 2 "x"^2 - 3"x" - 2 sqrt 2 = 0`
A two digit number is four times the sum and 3 times the product of its digits, find the number.
In a two digit number, the unit’s digit is twice the ten’s digit. If 27 is added to the number, the digit interchange their places. Find the number.
Solve the following quadratic equation by factorisation method:
`(x + 3)/(x - 2) - (1 - x)/x = (17)/(4)`.
Solve for x:
`(x + 1/x)^2 - (3)/(2)(x - 1/x)-4` = 0.
Sum of two natural numbers is 8 and the difference of their reciprocal is `2/15`. Find the numbers.
Harish made a rectangular garden, with its length 5 metres more than its width. The next year, he increased the length by 3 metres and decreased the width by 2 metres. If the area of the second garden was 119 sq m, was the second garden larger or smaller ?
