Advertisements
Advertisements
प्रश्न
Find the duplicate ratio of the following :
(a+b): (a2- b2)
Advertisements
उत्तर
(a+b): (a2- b2)
= `("a + b")^2 : ("a"^2 - "b"^2)^2`
= `("a + b")^2/(("a + b")^2 ("a - b")^2)`
= `1/("a" - "b")^2`
Duplicate ratio = 1 : `("a - b")^2`
APPEARS IN
संबंधित प्रश्न
The work done by (x – 2) men in (4x + 1) days and the work done by (4x + 1) men in (2x – 3) days are in the ratio 3 : 8. Find the value of x.
Find the sub-triplicate ratio of the following :
125a3 : 343b6
If x : y = 2 : 3 and y : z = 5 : 7, find x : y : z.
If m : n = 4 : 9 and n : s : 3 : 7, find m : s
Find the ratio of the first quantity to the second.
40 rupees, 120 rupees
If (x + 2y) : (2x – y) is equal to the duplicate ratio of 3 : 2, find x : y.
Divide Rs 1400 among A. B and C in the ratio 2 : 3 : 5.
Of the 288 persons working in a company, 112 are men and the remaining are women. Find the ratio of the number of men to that of women.
In a year, Seema earns ₹ 1,50,000 and saves ₹ 50,000. Find the ratio of money that Seema earns to the money she saves.
Consider the statement: Ratio of breadth and length of a hall is 2 : 5. Complete the following table that shows some possible breadths and lengths of the hall.
|
Breadth of the hall (in metres) |
10 |
`square` |
40 |
|
Length of the hall (in metres) |
25 |
50 |
`square` |
