Your identity says ...
... sum of cubes = (sum)³ -3(product)(sum)
... = 4³ -3·1·4
... = 64 -12 = 52
_____
The two numbers are 2±√3, and the sum of their cubes is indeed 52.
Answer:
7 7/8
Step-by-step explanation:
Answer:
11/4 or 2 3/4
Step-by-step explanation:
add numerators keep the same denominator
<span>1. Great Pyramid of Giza.
2. Hanging Gardens of Babylon.
3. Statue of Zeus at Olympia.
4. Temple of Artemis.
5. Mausoleum at Halicarnassus.
6. Colossus of Rhodes.
<span>7.Lighthouse of Alexandria.
hope that i helped!</span></span>
The sum of the real numbers x and y is 11. Their difference is 5. what is the value of xy? Y=3