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Solve the following system of linear equ...

Solve the following system of linear equations by matrix method: `x - y + z = 4, 2x + y - 3z = 0, x + y + z = 2`

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OMEGA PUBLICATION-HP BOARD MARCH 2017-SERIES -B
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  2. A and B throw a die alternatively till one of them gets a ‘6’ and wins...

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  3. Solve the following system of linear equations by matrix method: x - y...

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  4. Find the equations of the tangent and normal to the parabola y^(2)=4ax...

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  5. Find two positive numbers x and y such that their sum is 35 and produc...

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  6. Find the area of the region bounded by x^(2)=4y, y=2, y=4 and y-axis t...

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  7. Find the area of the region bounded by two parabolas y=x^(2) and y^(2...

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  8. Find the distance between the lines l1 and l2 given by : vecr = hati+...

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  9. Find the coordinates of the point where the line through the points A(...

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  10. Solve the following linear programming problem graphically: Miximis...

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  11. The principal value of "cos"^(-1)(sqrt(3))/2 is

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  12. If A and B are invertible matrices , then:

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  13. The derivative of cos 30^(@) is

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  14. The approximate change in the volume of a cube of side x metres caused...

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  15. An antiderivative of cos 5x is

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  16. The degree of the differential equation ((dy)/(dx))^(2)+((dy)/(dx))-si...

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  17. The projection of the vector 2hati+3hatj+2hatk on the vector hati+2hat...

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  18. The dot product of the two vectors veca and vecb is

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  19. The distance of the plane x+2y-2z=9 from the point (2,3,-5) is

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  20. If A and B are two events such that P(A) ne 0 and P(B/A) = 1, then

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