Advertisements
Advertisements
प्रश्न
Solve for x: `(x-3)/(x-4)+(x-5)/(x-6)=10/3; x!=4,6`
उत्तर
Solution:
`(x-3)/(x-4)+(x-5)/(x-6)=10/3`
`[(x-3)(x-6)+(x-5)(x-4)]/((x-4)(x-6))=10/3`
`(x^2-9x+18+x^2-9x+20)/((x-4)(x-6))=10/3`
`(2x^2-18x+38)/((x-4)(x-6))=10/3`
`(2(x62-9x+19))/x=10/3(x^2-10x+24)`
`(x-9x+19)/1=5/3[x^2-10x+24]`
`3x^2-27x+57=5x^2-50x+120`
`2x^2-23x+63=0`
`x=7 or x=9/2`
APPEARS IN
संबंधित प्रश्न
The speed of a boat in still water is 8 km/hr. It can go 15 km upstream and 22 km downstream in 5 hours. Find the speed of the stream.
Solve for x: `3x^2-2sqrt3x+2=0`
The values of k for which the quadratic equation \[16 x^2 + 4kx + 9 = 0\] has real and equal roots are
A two digit number is such that the product of the digits is 14. When 45 is added to the number, then the digit are reversed. Find the number.
Solve the equation 3x² – x – 7 = 0 and give your answer correct to two decimal places.
Solve the following quadratic equation by factorisation:
9x2 - 3x - 2 = 0
Solve the following by reducing them to quadratic equations:
`sqrt(x/(1 -x)) + sqrt((1 - x)/x) = (13)/(6)`.
By selling an article for Rs. 21, a trader loses as much per cent as the cost price of the article. Find the cost price.
Solve the following quadratic equation by factorization method.
3p2 + 8p + 5 = 0
If α and β are roots of the quadratic equation x2 – 7x + 10 = 0, find the quadratic equation whose roots are α2 and β2.