Advertisements
Advertisements
प्रश्न
Solve `a^2x^2 - b^2 = 0`
उत्तर
`a^2x^2 - b^2 = 0`
`=> (ax)^2 - b^2 = 0`
=> (ax + b)(ax - b) = 0
If ax + b = 0 and ax- b = 0
then `x = (-b)/a and x= b/a`
APPEARS IN
संबंधित प्रश्न
Check whether the following is the quadratic equation:
x2 - 2x = (-2)(3 - x)
A train travels at a certain average speed for a distance of 63 km and then travels at a distance of 72 km at an average speed of 6 km/hr more than its original speed. If it takes 3 hours to complete the total journey, what is the original average speed?
Check whether the following is quadratic equation or not.
x2 - 3x = 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: (2x+3)2 = 81
`4^((x+1))+4^((1-x))=10`
A takes 6 days less than the time taken by B to finish a piece of work. If both A and B work together they can finish in 4 days. Find the time taken by B to finish the work.
`2/3`and 1 are the solutions of equation mx2 + nx + 6 = 0. Find the values of m and n.
Solve : x4 - 10x2 +9 =0
Which of the following are quadratic equation:
`(x -(1)/x)^2` = 0.