Most Important Selected Qs for JEE AdvancedMathematicsDeterminants
Paragraph: = | array lll a₁ & a₂ & a₃ b₁ & b₂ & b₃ d₁ & d₂ & d₃ array |M_ i j = Minor of the element of i ^ th row and j^ th column C_ i j = Cofactor of the element of i ^ th row and j ^ th column Question: If all the elements of the determinant are multiplied by 2 , then the value of new determinant is
Options
- A0
- B8
- C2
- D2^9
Correct answer
B. 8
Step-by-step solution
Value of new determinant =2^3 =8