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Show without expanding at any stage that: ` [a,a^2,bc],[b,b^2,ca],[c,c^2,ab]|=|[1,a^2,a^3],[1,b^2,b^3],[1,c^2,c^3]| `

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`[{:(a,a^(2),bc),(b,b^(2),ca),(c,c^(2),ab):}]=(abc)/(abc)[{:(1,a^(2),a^(3)),(1,b^(2),b^(3)),(1,c^(2),c^(3)):}]`
`1/(abc)[{:(a^(2),a^(3),abc),(b^(2),b^(3),abc),(c^(2),c^(3),abc):}]`
`(R_(1)to,aR_(2)tobR_(2),R_(3)tocR_(3))`
`(abc)/(abc)[{:(a^(2),a^(3),1),(b^(2),b^(3),1),(c^(2),c^(3),1):}]=-[{:(1,a^(3),a^(2)),(1,b^(3),b^(2)),(1,c^(3),c^(2)):}](C_(1)hArrC_(3))`
`=-[{:(1,a^(3),a^(2)),(1,b^(3),b^(2)),(1,c^(3),c^(2)):}]" "(C_(2)hArrC_(3))`
R.H.S
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NAGEEN PRAKASHAN-DETERMINANTS-Miscellaneous Exercise
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  5. Solve the equation: |[x+a, b,c],[a,x+b,c],[a,b,x+c]|=0

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  6. Using properties of determinants, prove that |[a^2, bc, ac+c^2] , [a^...

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  10. Evaluate the following: |[1,x,y],[1, x+y, y],[1, x, x+y]|

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  11. Using peoperties of determinants in questions 11 to 15, prove that : ...

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  12. Prove that [[x, x^2 , 1+px^3], [y, y^2, 1+py^3] ,[z, z^2, 1+pz^3]] = (...

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  13. Show that: |3a-a+b-a+c-b+a3b-b+c-c+a-c+b3c|=3(a+b+c)(a b+b c+c a)dot

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

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  15. Show that |[sinalpha, cosalpha, cos(alpha+delta)],[sinbeta, cosbeta, ...

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  16. 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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  17. Choose the correct answer in questions 17 to 19: If a, b, c are in ...

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  18. Choose the correct answer in questions 17 to 19: If x, y, z are non...

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

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