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|(1,2x,3x(x-1)),(x,x(x-1),x(x-1)(x-2)),(...

`|(1,2x,3x(x-1)),(x,x(x-1),x(x-1)(x-2)),(x+1,x(x+1),x(x-1)(x+1))|` = ……………………

A

0

B

1

C

x(x-1)

D

x(x+1)

Text Solution

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AKSHRANAND PUBLICATION-નિશ્ચાયક-Exercise
  1. જો |[3,5,2],[1,4,7],[2,1,0]|=k |[3,5,4],[1,4,14],[4,2,0]|,તો k=

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  2. |[x,x+2y,x+3y],[x+2y,x+4y,x+5y],[x+4y,x+6y,x+7y]|=

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  3. |(1,2x,3x(x-1)),(x,x(x-1),x(x-1)(x-2)),(x+1,x(x+1),x(x-1)(x+1))| = ………...

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  4. જો |[x-1,3x+1,2x],[x-1,4x-2,x+3],[2,3x+1,3x-3]|=0 તો x=

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  5. |[x+2,x+3,x+5],[x+4,x+6,x+9],[x+8,x+11,x+15]|=

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  6. જો adjA=[[20,-20],[10,10]],તો abs(A)=

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  7. નીયેના બહુવિકલ્પ પ્રશ્નોના જ​વાબ માટે યોગ્ય વિકલ્પ પસંદ કરો ? જો [[-x...

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  8. જો A=[[2,-1,3],[4,1,2],[1,-1,5]] તો A(adjA)=

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  9. ખાલી જગ્યા પૂરો :|[0,x-y,x-z],[y-x,0,y-z],[z-x,z-y,0]|=

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  10. જો |[1,3,4],[2,-1,0],[3,6,9]|=x, તો |[1,6,4],[6,-6,0],[1,4,3]|=

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  11. જો D=|[1,2,3],[4,5,6],[7,8,9]|,તો |[4,8,12],[12,15,18],[14,16,18]|=

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  12. |[sin^2theta,cos^2theta],[-cos^2theta,sin^2theta]|=

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  13. |[1!,2!,3!],[2!,3!,4!],[3!,4!,5!]|=

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  14. (3,2), (8,12), (11,8) શિરોબિંદુવાળા ત્રિકોણનું ક્ષેત્રફળ છે.

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  15. |[sum(r=1)^16 2^r,a,2(2^16-1)],[3sum(r=1)^16 4^r,b,4(4^16-1)],[7sum(r=...

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  16. નીયેના બહુવિકલ્પ પ્રશ્નોના જ​વાબ માટે સાયો વિકલ્પ પસંદ કરો . જો A+B+...

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  17. |[a+2b,a+3b,a+4b],[a+3b,a+4b,a+5b],[a+4b,a+5b,a+6b]|=

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  18. |[b^2-ab,b-c,bc-ac],[ab-a^2,a-b,b^2-ab],[bc-ac,c-a,ab-a^2]|=

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  19. જો D(r)=[[r,3,15],[r^2,11,35],[r^3,45,25]],તો D(1)+D(2)+D(3)+D(4)+D(5)...

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  20. જો |[1,2,1],[2,-x,2],[-3,-3,x]|=0,તો x=

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