Question

what are rules to prove any determinant of a matrix.​

Answer 1

Step-by-step explanation:

D= b^2-4ac = 0

if resultant is greater than zero , then roots are real and distinct

when equals to zero, then roots are real and equal

when less than zero, then roots are imaginary roots

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Answer 2

Answer:

product of the first row elements with their corresponding co factors called det

Step-by-step explanation:

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