Question

Put X= 2, Y= -1, Z= 3 and find the value of equation (x³ + y³ - z² -2xy)​

Answer 1

(x³ + y³ - z² -2xy)

= (2)³ + (-1)³ - (3)² - 2(2)(-1)

= 8 -1 -9 + 4

= 12 - 10

= 2

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