Advertisements
Advertisements
प्रश्न
Find `x/y`; when x2 + 6y2 = 5xy.
उत्तर
x2 + 6y2 = 5xy
Dividing both sides by y2, we get
`x^2/y^2 + (6y^2)/y^2 = (5xy)/(y^2)`
`(x/y)^2 + 6 = 5(x/y)`
`(x/y)^2 - 5(x/y) + 6 = 0`
Let `x/y = a`
∴ a2 – 5a + 6 = 0
`=>` (a – 2)(a – 3) = 0
`=>` a = 2, 3
Hence, `x/y` = 2, 3
APPEARS IN
संबंधित प्रश्न
The bus fare between two cities is increased in the ratio 7 : 9. Find the increase in the fare, if:
- the original fare is Rs. 245;
- the increased fare is Rs. 207.
If r2 = pq , show that p : q is the duplicate ratio of (p+r) : ( q+r)
If `"x"/("b + c - a") =" y" /("c + a - b") = "z"/("a + b - c")` , then prove that each ratio is equal to the ratio of `("x + y+z")/("a + b + c")`
Express the following ratios in its simplest form :
1 hour: 45 minutes
Find the third proportional of 2 m 40 cm and 40 cm
If `1 1/4 : 2 1/3 = "p" : "q"` and q : r = `4 1/2 : 5 1/4`; find p : r.
Find the mean proportion between 3 and 27
If 3A = 4B = 6C, find A : B : C
Find the ratio of the following:
Given below is a Mathematical term.
Find the ratio of consonants to vowels in the term.