dauuuu coroanaaa hlp rezolvarea
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E1 = - 18/35xy⁴ ; E2 = - 7/12x³yz ; E3 = - 4,(4)yz = - 40/9yz
E1 × E2 × E3 = - 18/35xy⁴ × (- 7/12x³yz) × (- 40/9yz)
= - 2/5xy⁴ × 1/3x³yz × 10yz
= - 4/3x⁴y⁶z² = - 16/12x⁴y⁶z²
varianta c)