Question

find the value of the polynomial
p(x) = x^3 - 3x^2 - 2x
at (x = √2).​

Answer 1

-6 is the answer

Step-by-step explanation:

p(✓2)=√2^3 -3×√2^2-2×√2

=2√2-3×2-2√2

=2√2-6-2√2

so -2√2 and +2√2 will cut and answer will be -6

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