A determinant (Δ) of 3 rows (R1, R2, R3) and 3 columns (C1, C2, C3) h – McqOptions

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1.	A determinant (Δ) of 3 rows (R1, R2, R3) and 3 columns (C1, C2, C3) has a value Δ = 15. If two columns C2 and C3 of determinant (Δ) are interchanged, then the value of determinant will be
A.	15
B.	-15
C.	45
D.	-45
Answer» C. 45

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