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If det|6i -3i 1 4 3i-1 20 3 i|...

If `det|6i -3i 1` `4 3i-1` `20 3 i|=x+i y ,` then a.`x=3,y=1` b. `x=1,y=3` c. `x=0,y=3` d. `x=0,y=0`

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CENGAGE ENGLISH-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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  2. If fig shows the graph of f(x)=a x^2+b x+c ,t h e n Fig a. c<0 b. b c...

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  3. If det|6i -3i 1 4 3i-1 20 3 i|=x+i y , then a.x=3,y=1 b. x=1...

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