(1/2) x 2 + (2/3) y 2 and (1/3) y 2 - xy + 3 x 2
a. (1/2) x 2 - xy + (1/3) y 2
or
b. (1/2) x 2 - xy + y 2
or
c. (3/2) x 2 + xy + y 2
or
d. (3 1/2 )x 2 - xy + y 2
2007-01-17 05:29:10 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics
Does your keyboard have the '^' carat - Shift+6?
The answer is fast, as the x^2 terms, (1/2) x^2 and 3 x^2 combine to make (3 1/2) x^2, answer d. The -xy and y^2 terms also translate easily.
2007-01-17 05:34:18 · answer #1 · answered by Brett W 2 · 0⤊ 0⤋
The answer is d
(3 1/2 ) x^2 -xy +y^2
2007-01-17 05:40:44 · answer #2 · answered by ironduke8159 7 · 0⤊ 0⤋
(1/2) x^2+(2/3)y^2
3x^2 +(1/3)y^2- xy
_________________
3.5x^2+y^2-xy
3.5x^2-xy+y^2
d. (3 1/2 )x 2 - xy + y 2 is correct
2007-01-17 05:42:29 · answer #3 · answered by yupchagee 7 · 0⤊ 0⤋
notation unintelligible
2007-01-17 05:37:43 · answer #4 · answered by Anonymous · 0⤊ 0⤋