Question

The solution of set of equation
|1 4 20 |
|1 -2 5 |=0 is
|1 2x 5x^2|

A) {1,2} b) {-1, -2} c) {1,-2} d) {-1,2}

Answer 1

Answer:

b) {-1, -2}

Step-by-step explanation:

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