Question

p(z)=z cube -1at z=-1​

Answer 1

Answer:

z^3-1=(-1)^3-1=-1-1=-2

Answer 2

hey mate:-

p(z)=z cube -1,

at z=-1

Solution :-

given here :-

p(z)=z³-1

so,

put value z=-1

we get.....

p(-1)=(-1)³-1

=-1-1

= -2

i hopes its helps u

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@Abhi.❤❤