Math, asked by ANnieJv, 7 months ago

if x-y=5 and xy=7 Find the value of x cube - y cube​

Answers

Answered by ekamjotkaur8055
1

Answer:

130

Step-by-step explanation:

x-y = 5

xy = 7

To find : x^3-y^3

(x-y)^3 = x^3 - y^3 -3xy(x-y)

x^3-y^3 = (x-y)^3 + 3xy ( x-y)\\x^3-y^3 = (5)^3 + 3(7)(5)\\x^3-y^3 = 125+105\\x^3-y^3 = 130

--------------------------------------------------------------------------------------------------------------

Answered by urmeemishra
0

Answer:

130

Step-by-step explanation:

the answer is 130..if any doubt you can ask me

Similar questions