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
Solve the following quadratic equations by factorization:
4x2 + 4bx - (a2 - b2) = 0
A fast train takes one hour less than a slow train for a journey of 200 km. If the speed of the slow train is 10 km/hr less than that of the fast train, find the speed of the two trains.
The sum of ages of a man and his son is 45 years. Five years ago, the product of their ages was four times the man's age at the time. Find their present ages.
Some students planned a picnic. The budget for food was Rs. 480. But eight of these failed to go and thus the cost of food for each member increased by Rs. 10. How many students attended the picnic?
Rs. 9000 were divided equally among a certain number of persons. Had there been 20 more persons, each would have got Rs. 160 less. Find the original number of persons.
Solve:
`1/p + 1/q + 1/x = 1/(x + p + q)`
Solve for x:
4x2 + 4bx − (a2 − b2) = 0
Factorise : m2 + 5m + 6.
If the equation ax2 + 2x + a = 0 has two distinct roots, if
A two digit number is 4 times the sum of its digit and twice the product of its digit. Find the number.