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If |x-2-3 3x2x|=3 , find the values of x...

If `|x-2-3 3x2x|=3` , find the values of `xdot`

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`|(x-2,-3),( 3x,2x)|=3`
`implies(2x)(x−2)−(−3)(3x)=3`
`implies2x^2−4x+9x=3`
`implies2x^2+5x−3=0`
`implies2x^2+6x−x−3=0`
`implies(x+3)(2x−1)`
`x=−3, 1/2`​
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RD SHARMA-DETERMINANTS-Solved Examples And Exercises
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  2. If A=[1 2 4 2] , then show that |2A|=4|A| .

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  3. If |x-2-3 3x2x|=3 , find the values of xdot

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  4. Let |[3,y],[x,1]|=|[3,2],[4,1]| Find possible values of x and y if x,y...

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  6. Find the minors of cofactors of elements of the matrix A=[a(i j)]=[[1,...

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  7. Let A=|1sintheta1-sintheta1sintheta-1-sintheta1|, where 0lt=thetalt=2p...

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  11. Write the minors and cofactors of each element of the first column ...

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  12. Evaluate the following determinants: |x-7x5x+1| (ii) |costheta-sin...

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  13. Evaluate the following determinants: |x-7x5x+1| (ii) |costheta-sin...

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  18. Evaluate: =|cosalphacosbetacosalphasinbeta-sinalpha-sinbetacosbeta0sin...

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  20. If A=[[1 ,0 ,1],[0 ,1, 2],[ 0, 0, 4]] , then show that |3A|" "=" "27|...

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