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Show that by eliminating alpha and beta ...

Show that by eliminating `alpha` and `beta` from the equations.
`a_ialpha+b beta_i+c_i`=0, i=1,2,3 we get
`[[a_1,b_1,c_1],[a_2,b_2,c_2],[a_3,b_3,c_3]]` =0

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MBD PUBLICATION-DETERMINATES-QUESTION BANK
  1. Factorize the following. [[a,b,c],[b+c,c+a,a+b],[a^2,b^2,c^2]]

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  2. Factorize the following. [[x,2,3],[1,x+1,3],[1,4,x]]

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  3. Show that by eliminating alpha and beta from the equations. aialpha+...

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  4. Prove the following : [[1,bc,a(b+c)],[1,ca,b(c+a)],[1,ab,c(a+b)]]=0

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  5. Prove the following : [[x+4,2x,2x],[2x,x+4,2x],[2x,2x,x+4]]-(5x+4)(4-x...

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  6. Prove the following : [[sinalpha,cosalpha,cos(alpha+delta)],[sinbeta,c...

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  7. Prove the following : [[1,x,x^2],[x^2,1,x],[x,x^2,1]]=(1-x^3)^2

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  8. Prove that the points : (x1,y1),(x2,y2),(x3,y3) are collinear if [[x...

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  9. If A+B+C = pi, prove that [[sin^2A,cotA,1],[sin^2B,cotB,1],[sin^2C,c...

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  10. Eliminate x,y,z from a=x/y-z, b=y/z-x, c=z/x-y

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  11. Given the equations x=cy+bz, y=az+cx and z=bx+ay where x,y and z a...

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  12. If ax+hy+g=0, hx+by+f=0 and gx+fy+c=lamda, find the value of lamda in ...

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  13. Write the number of solution of the following system of equation. x-2y...

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  14. Write the number of solution of the following system of equation. x-y=...

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  15. Write the number of solution of the following system of equation. 2x+y...

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  16. Write the number of solution of the following system of equation. 3x+2...

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  17. Write the number of solution of the following system of equation. 2x+3...

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  18. Write the number of solution of the following system of equation. x+y+...

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  19. Write the number of solution of the following system of equation. x+4y...

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  20. Write the number of solution of the following system of equation.x+y-z...

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