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If [2x3][1 2-3 0][x3]=O , find x...

If `[2x3][1 2-3 0][x3]=O ,` find `x`

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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
  1. Let A = R × R and * be the binary operation on A defined by (a, b) ...

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  2. Find the inverse of the matrix A=[1 3 3 1 4 3 1 3 4]

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  3. If [2x3][1 2-3 0][x3]=O , find x

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  4. Find the equation of the plane through the line of intersection of the...

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  5. A bag contains 4 red and 4 black balls, another bag contains 2 red and...

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  6. One kind of cake requires 200 g of flour and 25 g of fat, and anoth...

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  7. Using properties of determinants, prove that |[(a+1)(a+2),a+2,1],[(a...

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  8. Solve the differential equation x^2dy+(x y+y^2)dx=0 given y=1, when x=...

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  9. Find the particular solution of the differential equation x(dy)/(dx)+y...

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  10. From a lot of 15 bulbs which include 5 defectives, a sample of 2 bulbs...

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  11. Probability of solving specific problem independently by A and B are 1...

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  12. Find the area of the region in the first quadrant enclosed by the y-ax...

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  13. Evaluate : int0^(pi/2)(dx)/(1+sqrt(tanx))

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  14. Find the value of lambda so that the four points, A, B, C and D wit...

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  15. Find the shortest distance between the lines vec r=( hat i+2 hat j+ h...

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  16. Find the derivative of (sinx)^x+sin^(-1)sqrt(x) w.r.t. x

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  17. If y=(xcos^(-1)x)/(sqrt(1-x^2))-logsqrt(1-x^2), then prove that (dy)/(...

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  18. Find int((x^2+1)e^x)/((x+1)^2)dx

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  19. If x=asec^3theta,y=atan^3theta, find (d^2y)/(dx^2) at theta=pi/4

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  20. Solve : tan^(-1)2x+tan^(-1)3x=pi/4

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