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Use product [1-1 2 0 2-3 3-2 4][-2 0 1 9...

Use product `[1-1 2 0 2-3 3-2 4][-2 0 1 9 2-3 6 1-2]` to solve the system of equations `x-y" "+" "2z=" "1` `2y-3z=" "1` `3x-2y" "+" "4z" "=" "2`

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    XII BOARDS PREVIOUS YEAR|Exercise Section D 35 B|1 Videos

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Use product [[1,-1, 2],[ 0, 2,-3],[ 3,-2, 4]] [[-2, 0, 1],[ 9, 2,-3],[ 6, 1,-2]] to solve the system of equation: x-y+2z=1; 2y-3z=1; 3x-2y+4z=2

Use product [[1,-1,20,2,-33,-2,4]][[-2,0,19,2,-36,1,-2]] system of equations x-y+2z=12y-3z=13x-2y+4z=2

The solution of the system of equations is x-y+2z=1,2y-3z=1 and 3x-2y+4y=2 is

Use product [{:(1,-1,2),(0,2,-3),(3,-2,4):}][{:(-2,0,1),(9,2,-3),(6,1,-2):}] to solve the equations : x-3z=9 , -x+2y-2z=4 , 2x-3y+4z=-3

Solve the system of equations by cramer's rule: 2x-3y+z=-1 ,3x+y-2z=1 and 4x-y+z=9

Determine the product [[-4, 4, 4], [-7, 1, 3],[5, -3, -1]][[1, -1, 1],[1, -2, -2],[2, 1, 3]] and use it to solve the system of equations x – y + z = 4, x – 2y – 2z = 9, 2x + y + 3z = 1

If A=((2,-3,5),(3,2,-4),(1,1,-2)) find A^(-1). Use it to solve the system of equations 2x-3y+5z=11 , 3x+2y-4z=-5 and x+y-2z=-3

Using matrices,solve the following system of equations: x+2y+z=7,x+3z=11,2x-3y=1

Using matrices, solve the following system of equations for x,y and z. 3x-2y+3z=8 , 2x+y-z=1 , 4x-3y+2z=4

Solve the following system of equation by matrix method x+2y +3z+1= 0, -2x+y-z +5=0 ,3x +y-2z -3=0

XII BOARDS PREVIOUS YEAR-XII Boards-All Questions
  1. If |A| = 3 and A^-1 = [(3 -1), (-5/3 2/3)] then write the adj A.

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  2. For what value of k is the function f(x) = { k|x|/x, x<0; 3, x>=0 con...

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  3. Use product [1-1 2 0 2-3 3-2 4][-2 0 1 9 2-3 6 1-2] to solve the sy...

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  4. Show that the function f given by f(x)=tan^(-1)(sinx+cosx), x" ">" "0 ...

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  5. Find the matrix X so that X[[1, 2, 3],[ 4 ,5, 6]]= [[-7,-8,-9],[2,4,6]...

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  6. If y=e^"tan"^((-1)"x"), prove that (1+x^2)y2+(2x-1)y1=0.

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  7. Find int2x sin (3x + 1) dx

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  8. Find the image of the point having position vector hat i+3 hat j+4 ha...

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  9. Given A=((2,-3),(-4,7)) compute A^(-1) and show that 2A^(-1)=9I-A

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  10. Differentiate tan^(-1)((1+cosx)/sinx) with respect to x

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  11. Find the value of tan^(-1) sqrt3 - cot^(-1) (-sqrt3)

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  12. The total cost C(x) in Rupees, associated with the production of x ...

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  13. Integrate the functions (cos2x+2sin^2x)/(cos^2x)

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  14. Find the differential equation representing the family of curves y=ae^...

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  15. If the matrix A = [[0,a,-3],[2,0,-1],[b,1,0]] is skew symmetric, find ...

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  16. If theta is the angle between two vectors hati-2hatj+3hatk and 3hati-2...

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  17. Find the magnitude of each of the two vectors veca and vec b having th...

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  18. A black and a red dice are rolled. (a)   Find the conditional proba...

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  19. Using properties of determinants prove that |(1,1, 1+3x),(1+3y,1,1),(1...

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  20. Find (dy)/dx, if (x^2+y^2)^2=xy

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