Advertisements
Advertisements
प्रश्न
Find the ratio of the following in the simplest fcrm:
a4 + b4 and a3 - b3
Advertisements
उत्तर
`("a"^4 + "b"^4)/("a"^3 - "b"^3)`
`= (("a" - "b")("a"^3 + "ab"^2 +"a"^2"b" + "b"^3))/(("a" - "b")("a"^2 + "ab" + "b"^2))`
=`("a"^3 + "ab"^2 + "a"^2"b" + "b"^3)/("a"^2 + "ab" + "b"^2)`
= `"a"^3 + "ab"^2 + "a"^2"b" + "b"^3 : "a"^2 + "ab" + "b"^2`
APPEARS IN
संबंधित प्रश्न
Find the value of x, if: (3x – 7) : (4x + 3) is the sub-triplicate ratio of 8 : 27.
State true or false :
A ratio equivalent to 5 : 4 is 240 : 192
Two numbers are in the ratio 4 : 7. If their L.C.M. is 168, find the numbers.
Find the ratio of the first quantity to the second.
30 litres, 24 litres
Find the ratio of the first quantity to the second.
60 paise, 1 rupee
If 3A = 4B = 6C, find A : B : C
In a business, A invests Rs 50000 for 6 months, B Rs 60000 for 4 months and C, Rs 80000 for 5 months. If they together earn Rs 18800 find the share of each.
Find the value of x when 36 : x : : x : 16.
Akilan walks 10 km in an hour while Selvi walks 6 km in an hour. Find the simplest ratio of the distance covered by Akilan to that of Selvi.
4 : 7 = 20 : 35
