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Let A = [(1,sin theta,1),(- sin theta,1,...

Let `A = [(1,sin theta,1),(- sin theta,1,sin theta),(-1,-sin theta,1)], " where " 0 le theta lt 2 pi`. then, which of the following is not correct ?

A

`Det(A) =0`

B

` Det(A) in (2, infty ) `

C

`Det (A) in (2,4) `

D

`Det(A) in [2,4]`

Text Solution

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The correct Answer is:
D
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  9. Evaluate the following: |[1,x,y],[1, x+y, y],[1, x, x+y]|

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  12. Show that: |(3a,-a+b,-a+c),(-b+a,3b,-b+c),(-c+a,-c+b,3c)|=3(a+b+c)(a b...

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  13. Show that |1 1+p1+p+q2 3+2p1+3p+2q3 6+3p 106 p+3q|=1.

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  14. Without expanding, show that the value of each of the determinants is ...

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  15. Solve the system of equations2/x+3/y+(10)/z=44/x-6/y+5/z=16/x+9/y-(20)...

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