Question

find the value of each of the expressions given below if a=-1
-a^4-a^3-a^2-a-1 ​

Answer 1

Answer:

-a^4-a^3-a^2-a-1

=-(-1)^4-(-1)^3-(-1)^2-(-1)-1

=(1)^4 +(1)^3+(1)^2+1-1

=1+1+1+1-1

=1+1+1+0

=3

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