Question

What is the value of the polynomial Ã2-Ã-1 at Ã=-1

Answer 1

Answer:

value of the polynomial = 1

Explanation:

Let p(a) = a²-a-1

Value of p(a) , at a = -1

Now,

Value of p(-1) = (-1)²-(-1)-1

= 1+1-1

= 1

Therefore,

value of the polynomial = 1

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