Advertisements
Advertisements
प्रश्न
Find the value of a, b, c in the following quadratic equation : 2x2 ‒ x ‒ 3 = 0
उत्तर
Given equation is 2x2 – x – 3 = 0.
Comparing the given equation with general form of quadratic equation
ax2 + bx + c, we have
a = 2, b = –1 and c = –3
APPEARS IN
संबंधित प्रश्न
Write the following quadratic equation in a standard form: 3x2 =10x + 7.
Check whether the following is the quadratic equation:
x2 - 2x = (-2)(3 - x)
State whether the given equation is quadratic or not. Give reason.
`5/4m^2 - 7 = 0`
Solve x2 + 7x = 7 and give your answer correct to two decimal places
Solve the following equation and calculate the answer correct to two decimal places:
x2 – 5x – 10 = 0.
In the following, determine whether the given values are solutions of the given equation or not:
`x+1/x=13/6`, `x=5/6`, `x=4/3`
Find the value of x, if a + 1=0 and x2 + ax – 6 =0.
If x = -3 and x = 2/3 are solutions of quadratic equation mx2 + 7x + n = 0, find the values of m and n
Solve the following equation for x and give, in the following case, your answer correct to 3 decimal places:
2x2 + 11x + 4 = 0
Find the quadratic equation, whose solution set is:
{3, 5}
Which of the following are quadratic equation in x?
`(x+2)^3=x^3-8`
`x^2+3sqrt3-30=0`
`10x1/x=3`
One fourth of herd of camel was seen in the forest. Twice the square root of the herd had gone to mountains and the remaining 15 camels were seen on the bank of a river. Find the total number of camel.
Solve :
(x+5)(x-5)=24
Solve :
`2x - 3 = sqrt(2x^2 - 2x + 21)`
Solve the quadratic equation 8x2 – 14x + 3 = 0
- When x ∈ I (integers)
- When x ∈ Q (rational numbers)
Solve the following equation by using formula :
256x2 – 32x + 1 = 0
Which of the following is not a quadratic equation?
If x2 – 4x – 5 = 0, values of x correct to two decimal places are ______.