15. If x + y = 12 and xy = 14 Find the value of x^3+ y^3.
Answers
Answered by
0
Answer:
116
hope this will help you
Answered by
1
Step-by-step explanation:
Given That: x+y=12
xy=14
x^3+y^3
Use the identity[a^3+b^3=(a+b)^3-3ab(a+b)
x^3+y^3=(x+y)^3-3xy(x+y)
=(12)^3-3×14(12)
=1728-2184
=456
Similar questions
Psychology,
1 month ago
Math,
1 month ago
English,
2 months ago
Math,
10 months ago
Math,
10 months ago
Computer Science,
10 months ago