Advertisements
Advertisements
प्रश्न
Solve the following equation: abx2 +(b2-ac) x - bc = 0
Advertisements
उत्तर
abx2 +(b2-ac) x - bc = 0
abx2 +b2x - acx - bc = o
bx (ax+ b) - c(ax+ b) = o
(ax+b) (bx-c) = o
x = `- "b"/"a"` , x = `"c"/"b"`
APPEARS IN
संबंधित प्रश्न
A passenger train takes 3 hours less for a journey of 360 km, if its speed is increased by 10 km/hr from its usual speed. What is the usual speed?
An aeroplane take 1 hour less for a journey of 1200 km if its speed is increased by 100 km/hr from its usual speed. Find its usual speed.
A pole has to be erected at a point on the boundary of a circular park of diameter 13 meters in such a way that the difference of its distances from two diametrically opposite fixed gates A and B on the boundary is 7 meters. Is it the possible to do so? If yes, at what distances from the two gates should the pole be erected?
The sum of two natural numbers is 20 while their difference is 4. Find the numbers.
The sum of the square of 2 consecutive odd positive integers is 290.Find them.
The hypotenuse of a grassy land in the shape of a right triangle is 1 m more than twice the shortest side. If the third side is 7m more than the shortest side, find the sides of the grassy land.
In each of the following, determine whether the given values are solution of the given equation or not:
x2 - 3x + 2 = 0; x = 2, x = -1
Which of the following are the roots of the quadratic equation, x2 – 9x + 20 = 0 by factorisation?
Solve the following quadratic equation by factorisation method:
x2 + x – 20 = 0
If the discriminant of the quadratic equation 3x2 - 2x + c = 0 is 16, then the value of c is ______.
