Question

If x=1 ,y=-2 and z=-1.
Evaluate x^3 〖-3y〗^2+〖5z〗^2

Answer 1

Answer:

61

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

x=1 y=-2 and z=-1

therefore

putting in equation

x^3+(-3y)^2+(5z)^2

= 1+(-3×-2)^2+(5×-1)^2

=1+36+25

=62