Solved

Solve the Equation and Express the Solution in Exact Form $\log _ { 4 } ( x + 7 ) + \log _ { 4 } ( x - 7 ) = 1$

Question 80

Multiple Choice

Solve the equation and express the solution in exact form.
- $\log _ { 4 } ( x + 7 ) + \log _ { 4 } ( x - 7 ) = 1$

A) $\{ 53 \}$
B) $\left\{ \frac { 197 } { 4 } \right\}$
C) $\{ \sqrt { 53 } \}$
D) $\{ 4 \}$

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