Advertisements
Advertisements
प्रश्न
Find the compounded ratio of: (a – b) : (a + b), (a + b)2 : (a2 + b2) and (a4 – b4) : (a2 – b2)2
Advertisements
उत्तर
(a – b) : (a + b), (a + b)2 : (a2 + b2) and (a4 – b4) : (a2 – b2)2
Compound ratio
= `"a - b"/"a + b" xx (a + b)^2/(a^2 + b^2) xx (a^4 - b^4)/(a^2 - b^2)^2`
= `"a - b"/"a + b" xx ((a + b)(a + b))/(a^2 + b^2) xx ((a^2 + b^2)(a + b)(a - b))/((a + b)^2 (a - b)^2`
= `(1)/(1)`
or
1 : 1.
APPEARS IN
संबंधित प्रश्न
Find sub-duplicate ratio of 9 : 16
If (3x – 4y) : (2x – 3y) = (5x – 6y) : (4x – 5y), find x : y.
Show that 2, 12 and 72 are in continued proportion.
How will Rs 31500 be shared between A, B, and C; if A gets the double of what B gets, and B gets the double of what C gets?
The ratio of the sale of eggs on a Sunday and that of the whole week at a grocery shop was 2 : 9. If the total value of the sale of eggs in the same week was Rs 360, find the value of the sale of eggs that Sunday.
If x, y, and z are in continued proportion, then which of the following is true:
x : y = y : z
Find the ratio of the first quantity to the second.
25 beads, 40 beads
Choose the correct answer from the given options :
The ratio of 45 minutes to `5(3)/(4)` hours is
A ratio is a form of comparison by ______.
Saturn and Jupiter take 9 hours 56 minutes and 10 hours 40 minutes, respectively for one spin on their axes. The ratio of the time taken by Saturn and Jupiter in lowest form is ______.
