Algebramedium · Past Paper
If P(x) = x^2 - 2sqrt(2)x + 1, find P(sqrt(2)).
A-1
B1
C0
Dsqrt(2)
✓ Correct Answer: A — -1
(sqrt(2))^2 - 2sqrt(2)(sqrt(2)) + 1 = 2 - 4 + 1 = -1.
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