DeterminantHard

Question

The equation + = 0

Options

A.has no real solution

B.has 4 real solution

C.has two real and two non-real solution

D.has infinite number of solutions, real or non-real

Solution

+

Since two columns are same in above determinants therefore we can add them along C₃.
⇒ = 0
⇒ 0 = 0 ⇒ infinte solution

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