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Solve the Equation 36x4−85x2+49=036 x ^ { 4 } - 85 x ^ { 2 } + 49 = 0

Question 219

Multiple Choice

Solve the equation.
- 36x4−85x2+49=036 x ^ { 4 } - 85 x ^ { 2 } + 49 = 0


A) {−76,−1,1,76}\left\{ - \frac { 7 } { 6 } , - 1,1 , \frac { 7 } { 6 } \right\}
B) {−1,−67}\left\{ - 1 , - \frac { 6 } { 7 } \right\}
C) {−1,−67,67,1}\left\{ - 1 , - \frac { 6 } { 7 } , \frac { 6 } { 7 } , 1 \right\}
D) {1,76}\left\{ 1 , \frac { 7 } { 6 } \right\}

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