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What positive value of x makes the follo...

What positive value of x makes the following pair of determinants equal? `|(2x,3),(5,x)|, |(16,3),(5,2)|`

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Which of the given values of x and y make the following pairs of matrices equal? [(3x+7, 5y+1),( 2,-3x)] and, [(0,y-2),( 8, 4)] a) x=-1/3,\ \ y=7 (b) y=7,\ \ x=-2/3 (c) x=-1/3,\ \ y=-2/5 (d) Not possible to find

For what values of x and y are the following matrices equal? A=[(2x+1,3y),(0,y^2-5y)] B=[(x+3,y^2+2),(0,-6)]

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Find the value of the determinant = |(2, 3, 4),( 5, 6, 8),( 6x,9x ,12 x)|

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XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
  1. If f\ : R-> R be defined by f(x)=(3-x^3)^(1//3)\ , then find fof(x)

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  2. Write the principal value of sec^(-1)(-2)

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  3. What positive value of x makes the following pair of determinants equa...

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  4. Write the distance of the following plane from the origin: 2x-y+2z...

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  5. Write a vector of magnitude 9 units in the direction of vector -2 h...

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  6. Evaluate : int(6x+7)/(sqrt((x-5)(x-4)))\ dx

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  7. Evaluate: intsinxsin2xsin3x dx

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  8. A tank with rectangular base and rectangular sides, open at the top ...

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  9. Find the volume of the largest cylinder that can be inscribed in a s...

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  10. If [(2,3),(5,7)] [(1,-3),(-2,4)]=[(-4,6),(-9,x)], write the value of x

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  11. If y=e^(a cos^(-1)x)\ ,\ -1\ lt=xlt=1, show that (1-x^2)(d^2y)/(dx^2)-...

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  12. Show that the relation R in the set A = {1, 2, 3, 4, 5} given by R = {...

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  13. Evaluate: int2^3 1/x\ dx

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  14. Three bags contain balls as shown in the table below: Bag Numb...

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  15. Using matrices, solve the following system of equations: 2x-3y+5z=11...

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  16. Find the equation of the plane passing through the point (-1,3,2) and ...

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  17. Using the method of integration find the area of the region bounded b...

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  18. Show that: tan(1/2sin^(-1)(3/4))=(4-sqrt(7))/3

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  19. Find the probability of throwing at most 2 sixes in 6 throws of a s...

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  20. Find the equation of the plane passing through the point (1, 3, 2) ...

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