Solved

Solve
- x2−19+9=0\sqrt { x ^ { 2 } - 19 } + 9 = 0

Question 372

Multiple Choice

Solve.
- x2−19+9=0\sqrt { x ^ { 2 } - 19 } + 9 = 0


A) ∅\varnothing
B) 10
C) 10,−1010 , - 10
D) 11,−1111 , - 11

Correct Answer:

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