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Solve For xx Assume That aa And bb Represent Positive Real Numbers x2−b=0x^{2}-b=0

Question 249

Multiple Choice

Solve for xx . Assume that aa and bb represent positive real numbers.
- x2−b=0x^{2}-b=0


A) {b,−b}\{b,-b\}
B) {b,−b}\{\sqrt{b}, \sqrt{-b}\}
C) {b}\{b\}
D) {b,−b}\{\sqrt{b},-\sqrt{b}\}

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