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If I=[(1,0),(0,1)]=J[(0,1),(-1,0)] and B...

If `I=[(1,0),(0,1)]=J[(0,1),(-1,0)]` and `B=[(cos theta, sin theta),(-sin theta, cos theta)]` then `B=`

A

`Icostheta+Bsintheta`

B

`Isintheta+Bcostheta`

C

`Icostheta-Bsintheta`

D

`-Icostheta+Bsintheta`

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A
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AAKASH SERIES-MATRICES -ALGEBRA OF MATRICES -EXERCISE - I
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  14. If A=[(3,0),(-4,-1)]B=[(3,5,-7),(0,-1,8)]C=[(6),(-1),(0)] then ABC=

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  15. If ((3,-2),(-1,2))((x),(y))=((11),(-5)), then 3x+7y=

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