Question: (a) Prove that the equation has at least one real root. (b) Use your graphing device to find the root correct to three decimal places.

(a) Prove that the equation has at least one real root.
(b) Use your graphing device to find the root correct to three decimal places.


53. x - x? - 4 =0 54. Vx - 5-

53. x - x? - 4 =0 54. Vx - 5-

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