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Find the matrix of co - factors for matrix `[[1,3],[4,-1]]`

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  • JULY 2016

    GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS|Exercise Section-II|20 Videos

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1.Find the rank of the matrix [[1,-2,3,4],[-2,4,-1,-3],[-1,2,7,6]]

Q.3.Find the rank of the matrix [[1,1,-1],[2,-3,4],[3,-2,3]]

Find the adjoint of matrix A=[[2,-3],[4,1]]

Find the matrix A satisfying the matrix equation: [[2,13,2]]]]-3,25,-3]]=[[1,00,1]]

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GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS- FEBRUARY 2020-All Questions
  1. Answer the following questions: If X rarr B(n,p) and n = 10. E(X)= 5 ,...

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  2. Using truth table verify that ~(p vv q) -= ~p ^^ ~q

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  3. Find the matrix of co - factors for matrix [[1,3],[4,-1]]

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  4. Find the angle between the lines represented by 3x^2 + 4xy-3y^2 = 0

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  5. bar a and bar b are non- collinear vectors. If barc = (x-2)bar a+bar b...

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  6. If a line makes angles 90^@, 135^@, 45^@ with X,Y and Z axes respectiv...

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  7. Express the following circuit in symbolic form S1,S2,S3

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  8. Differentiate log(sec x + tan x) w.r.t. x

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  9. Evaluate int 1/(x^2+4x+8) dx

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  10. Evaluate int0^(pi/2) cos^2x dx

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  11. Solve the differential equation (dy)/(dx)=x^2y+y

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  12. Find expected value of the random Variable X whose probability mass fu...

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  13. If y= xlogx, then find (d^2y)/(dx^2)

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  14. State the converse, inverse and contrapositive of the conditional stat...

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  15. Show that : sin^(-1)(8/(17))+sin^(-1)(3/5)=sin^(-1)(77/85)

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  16. Show that the points A(2,1, -1), B(0, -1, 0), C(4, 0, 4) and D(2,0,1) ...

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  17. If triangleABC is right angled at B , where A(5,6,4), B(4,4,1) and C(8...

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  18. Find the equation of the line passing through the point (3,1,2) and pe...

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  19. Find the distance of the point hati+2hatj-hatk from the plane vecr.(ha...

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  20. If e^x+e^y = e^(x+y), show that (dy)/(dx) = -e^(y-x)

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