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Choose the correct answer Let A =(Fig 1) where 0<\theta <2\pi Then:
CBSE | Class 12 | Determinants | Maths | Miscellaneous | NCERT
Choose the correct answer Let A =(Fig 1) where 0<\theta <2\pi Then:

Fig 1=

(A) Det (A) = 0 

(B) Det (A)   

(C) Det (A)  

(D) Det (A) 

SOLUTION:

Given: Matrix A = 

 

 

  ……….(i)

Since   

  [  cannot be negative]

 

 

 

Therefore, The correct option is option (D).

i

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