Advertisements
Advertisements
प्रश्न
Solve the following equation : 5x2 - 11x + 2 = 0
Advertisements
उत्तर
5x2 - 11x + 2 = 0
5x2 - 10x - x + 2 = 0
5x (x - 2)-1(x - 2) = 0
(x - 2)(5x - 1)= 0
(x - 2) = 0 , (5x - 1)=0
x = 2 , x = `1/5`
APPEARS IN
संबंधित प्रश्न
There are three consecutive integers such that the square of the first increased by the product of the first increased by the product of the others the two gives 154. What are the integers?
Solve of the following equations, giving answer up to two decimal places.
3x2 – x – 7 =0
Solve the following quadratic equations by factorization: \[\frac{1}{2a + b + 2x} = \frac{1}{2a} + \frac{1}{b} + \frac{1}{2x}\]
If 1 is a root of the quadratic equation \[3 x^2 + ax - 2 = 0\] and the quadratic equation \[a( x^2 + 6x) - b = 0\] has equal roots, find the value of b.
The present age of the mother is square of her daughter's present age. 4 years hence, she will be 4 times as old as her daughter. Find their present ages.
Sum of two natural numbers is 8 and the difference of their reciprocal is `2/15`. Find the numbers.
In a P.T. display, 480 students are arranged in rows and columns. If there are 4 more students in each row than the number of rows, find the number of students in each row.
Solve the following equation by factorisation :
3x2 + 11x + 10 = 0
The length of a rectangular garden is 12 m more than its breadth. The numerical value of its area is equal to 4 times the numerical value of its perimeter. Find the dimensions of the garden.
Which of the following are the roots of the quadratic equation, x2 – 9x + 20 = 0 by factorisation?
