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If A=[(1,2),(2,1)] and f(x)=(1+x)/(1-x),...

If `A=[(1,2),(2,1)]` and `f(x)=(1+x)/(1-x)`, then f(A) is

A

`[{:(1,1),(1,1):}]`

B

`[{:(-1,-1),(-1,-1):}]`

C

`[{:(2,2),(2,2):}]`

D

none of these

Text Solution

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The correct Answer is:
B
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FIITJEE-MATHEMATICS TIPS-ASSIGNMENT (SECTION (I) : MCQ (SINGLE CORRECT)
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  3. If A=[(1,2),(2,1)] and f(x)=(1+x)/(1-x), then f(A) is

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  14. for A=[{:(4,2i),(i,1):}],(A-2l)(A-3l) is a

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  15. If |(a,b,aalpha+b),(b,c,balpha+c),(a alpha+b,b alpha+c,0)|=0 then

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  16. Let f(x) = |{:(secx,cosx,sec^(2)x+cotx cosecx),(cos^(2)x,cos^(2)x,cose...

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