Advertisements
Advertisements
प्रश्न
Choose the correct alternative answer for the following sub questions and write the correct alphabet.
Which of the following is not a quadratic equation?
विकल्प
2X2 – X + 3 = 0
4X2 – 3X = 0
X3 – 5X + 3 = 0
4X2 = 0
उत्तर
X3 – 5X + 3 = 0
संबंधित प्रश्न
Check whether the following is the quadratic equation:
(x - 2)(x + 1) = (x - 1)(x + 3)
Check whether the following is quadratic equation or not.
(2𝑥 + 1)(3𝑥 + 2) = 6(𝑥 − 1)(𝑥 − 2)
In the following, find the value of k for which the given value is a solution of the given equation:
x2 + 3ax + k = 0, x = -a
Solve : (2x – 3)² = 49
Solve : 2(x² – 6) = 3(x – 4)
Solve the following equation for x and give, in the following case, your answer correct to 2 decimal places:
2x2 – 10x + 5 = 0
Use the substitution y = 2x + 3 to solve for x, if` 4 (2x + 3)^2 − (2x + 3) − 14 = 0 `
Without solving comment upon the nature of roots of each of the following equation:
2x2 + 8x + 9 = 0
`3x^2x-1=0`
`2x^2-x+1/8=0`
` x^2+6x-(a^2+2a-8)=0`
`9x^2-9(a+b)x+(2a^2+5ab+2b^2)=0`
`a/((ax-1))+b/((bx-1))=(a+b),x≠1/a,1/b`
A fast train takes 3 hours less than a slow train for a journey of 600kms. If the speed of the slow train is 1 Okm/ hr less than the fast train, find the speed of the fast train.
A plane left 40 minutes late due to bad weather and in order to reach its destination, 1600kms away in time, it had to incease its speed by 400km/ hr from its usual speed. Find the usual speed of the plane.
Solve:
`((2x -3)/(x - 1)) - 4((x - 1)/(2x - 3)) = 3`
One root of the quadratic equation 8x2 + mx + 15 = 0 is `3/4`. Find the value of m. Also, find the other root of the equation.
Find the value of a, b, c in the following quadratic equation: 2x2 + 18 = 6x
Solve the following equation by using formula:
2x2 – 6x + 3 = 0
Solve:
`9(x^2 + 1/x^2) - 9(x + 1/x) - 52 = 0`
