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Let L be the line of intersection of t...

Let L be the line of intersection of the planes `2x""+""3y""+""z""=""1` and `x""+""3y""+""2z""=""2` . If L makes an angles ` alpha ` with the positive x-axis, then cos` alpha ` equals

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RD SHARMA ENGLISH-LINEAR EQUATION IN ONE VARIABLE-All Questions
  1. Solve each of the following equations and also verify your solution:...

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  2. Solve each of the following equations and also verify your solution:...

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  3. Let L be the line of intersection of the planes 2x""+""3y""+""z""=""...

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  4. Solve the linear equations. x+7 - (8x)/3 = (17)/6 - (5x)/8

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  5. Solve : (3t-2)/4 - (2t+3)/3 = 2/3 - t

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  6. Solve: (x+2)/6-((11-x)/3-1/4)=(3x-4)/(12)

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  7. Solve : x-(2x+8)/3=1/4(x-(2-x)/6)-3

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  8. Solve: 0. 16(5x-2)=0. 4 x+7

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  9. Solve: 2/(5x)-5/(3x)=1/(15)

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  10. Solve: (17-3x)/5-(4x+2)/3=5-6x+(7x+14)/3

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  11. Solve: (x+2)/3-(x+1)/5=(x-3)/4-1

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  12. Solve: (2x+3)^2+(2x-3)^2=(8x+6)(x-1)+22

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  13. Solve each of the following equations and also check your result in ...

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  14. Solve each of the following equations and also check your result in ...

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  15. Solve each of the following equations and also check your result in ...

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  16. Solve the following equations and also check your result in each cas...

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  17. Solve each of the following equations and also check your result in ...

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  18. Solve each of the following equations and also check your result in...

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  19. Solve each of the following equations and also check your result in...

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  20. Solve : (2x+1)/(3x-2)=9/(10)

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