Advertisements
Advertisements
प्रश्न
Write the following equation in the form ax2 + bx + c= 0, then write the values of a, b, c for the equation.
3m2 = 2m2 – 9
उत्तर
3m2 = 2m2 – 9
\[\Rightarrow 3 m^2 - 2 m^2 + 9 = 0\]
\[ \Rightarrow m^2 + 0m + 9 = 0\]
So, it is of the form ax2 + bx + c = 0 where a = 1, b = 0 and c = 9.
APPEARS IN
संबंधित प्रश्न
If one of the roots of the quadratic equation x2 - 11x + k = 0 is 9, then find the value of k
The sum of the roots of the equation` x^2-6x+2=0`
(a) 2 (b)-2 (c)6 (d)-6
If the equation `9x^26kx+4=0` has equal roots then k =?
(a)1 or (b)-1 or 4 (c)1 or -4 (d)-1 or -4
If the equation `x^2+5kx+16=0` has no real roots then
(a)`k>8/5` (b) `k(-8)/5`
(c)` (-8)/5<k<8/5` (d) None Of these
The length of a rectangular field exceeds its breadth by 8 m and the area of the field is `240 m^2` . The breadth of the field is
(a) 20 m (b) 30 m (c) 12 m (d) 16 m
The roots of the quadratic equation `2x^2-x-6=0`
(a)`-2, 3/2` (b) `2, -3/2`
(c)` -2, 3/2` (d) `2, 3/2`
If the roots of the quadratic equation `px(x-2)+=0` are equal, find the value of p
Solve `3x^2+5sqrt5x-10=0`
Solve `sqrt3x^2-2sqrt2x-2sqrt3=0`
If 1 is a root of the equations ay2 + ay + 3 = 0 and y2 + y + b = 0 then ab equals: ?
Decide whether the following equation is quadratic equation or not.
\[x + \frac{1}{x} = - 2\]
Decide whether the following equation is quadratic equation or not.
m3 + 3m2 – 2 = 3m3
The Sum of squares of 2 consecutive natural even numbers is 244; find the numbers.
Choose the correct answer for the following question.
The roots of x2 + kx + k = 0 are real and equal, find k.
Choose the correct answer for the following question.
Out of the following equations, find the equation having the sum of its roots –5.
A tank fills completely in 2 hours if both the taps are open. If only one of the taps is open at the given time, the smaller tap takes 3 hours more than the larger one to fill the tank. How much time does each tap take to fill the tank completely?
Two water taps together can fill a tank in `1 7/8` hours. The tap with a longer diameter takes 2 hours less than the tap with a smaller one to fill the tank separately. Find the time in which each tap can fill the tank separately.
Find k, one of the roots of the quadratic equation kx2 - 7x + 12 = 0 is 3.
Mukund has ₹ 50 more than Sagar. If the product of the amount they have is 15,000, then find the amount each has
