# If x 2 – 4x + 1 = 0, then what is the value of x 9 + x 7 – 194x 5

| If x

^{2}– 4x + 1 = 0, then what is the value of x^{9}+ x^{7}– 194x^{5 }– 194x^{3}?A. 4

B. -4

C. 1

D. -1

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### Right Answer is: B

#### SOLUTION

Then