What are the values of x that satisfy the equation vmatrix x&0&2 2x&2&1 1&1&1 vmatrix + vmatrix 3x&0&2 ^2&2&1 0&1&1 vmatrix =0?

NDA 2019 Mathematics question

What are the values of x that satisfy the equation ?

Answer: (D)

The two determinants have the same second and third columns, so they add to

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Question ID VK-029063