a³ + b³ = ( a + b ) ( a² - a b + b³ )
For example:
a = 1, b = 2
a³ + b³ = 1³ + 2³ = 1 + 8 = 9
( a + b ) ( a² - a b + b² ) = ( 1 + 2 ) ( 1² - 1 * 2 + 2² ) =
= 3 * 3 = 3
The formula is true.
This question needs more information. So what if a diagram shows an 8 foot ladder leaning against a wall?
The answers
1)-7
2)-1.5
3) 2
3 are left.
3/7 means there were 7 slices, but it's missing 4 slices. (Eaten)
i hope this helps :)
