Respuesta:
Explicación paso a paso:
a= -2 y= 3 y z = 4
a) 3 x² y - 2 x y²
3 . (-2)².3 - 2 . (-2) .(3)²
3 . 4 . 3 - (-4) .9
36 + 36 = 72
b) -1/2 x³ y² + 3 x² z²
- 1/2 . (-2)³ . 3² + 3 (-2)². 4²
-1/2 . (-8) . 9 + 3 . 4 . 16
36 + 192 = 228
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Verified answer
Respuesta:
Explicación paso a paso:
a= -2 y= 3 y z = 4
a) 3 x² y - 2 x y²
3 . (-2)².3 - 2 . (-2) .(3)²
3 . 4 . 3 - (-4) .9
36 + 36 = 72
b) -1/2 x³ y² + 3 x² z²
- 1/2 . (-2)³ . 3² + 3 (-2)². 4²
-1/2 . (-8) . 9 + 3 . 4 . 16
36 + 192 = 228