Advertisements
Advertisements
प्रश्न
Solve the following equation by factorization
6p2+ 11p – 10 = 0
उत्तर
6p2+ 11p – 10 = 0
⇒ 6p2 + 15p – 4p – 10 = 0
⇒ 3p(2p + 5) – 2(2p + 5) = 0
(2p + 5) (3p - 2) = 0
Either 2p + 5 = 0, then 2p = -5 ⇒ p = `(-5)/(2)`
or 3p - 2 = 0, then 3p = 2 ⇒ p = `(2)/(3)`
Hence p = `(-5)/(2), (2)/(3)`.
APPEARS IN
संबंधित प्रश्न
A passenger train takes 2 hours less for a journey of 300 km if its speed is increased by 5 km/hr from its usual speed. Find the usual speed of the train.
Two pipes running together can fill a tank in `11 1/9` minutes. If one pipe takes 5 minutes more than the other to fill the tank separately, find the time in which each pipe would fill the tank separately.
Solve the following quadratic equation by factorization:
`sqrt(6)x^2 - 4x - 2sqrt(6) = 0`
If a and b are roots of the equation x2 + ax + b = 0, then a + b =
Solve the following equation:
(2x+3) (3x-7) = 0
Solve the following equation: `("x" + 3)/("x" - 2) - (1 - "x")/"x" = 17/4`
The sum of the square of two numbers is 233. If one of the numbers is 3 less than twice the other number. Find the numbers.
In each of the following, determine whether the given values are solution of the given equation or not:
`x = 1/x = (13)/(6), x = (5)/(6), x = (4)/(3)`
Solve the following equation by factorization
x(2x + 5) = 3
Solve the following equation by factorization
`(2)/(3)x^2 - (1)/(3)x` = 1