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Find the values of x and y if [[x+10,y^2...

Find the values of `x` and `y` if `[[x+10,y^2+2y],[0,-4]]=[[3x+4,3],[ 0,y^2-5y]]`

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RD SHARMA ENGLISH-ALGEBRA OF MATRICES-All Questions
  1. If A=[[ 2, -1],[3 , 1]] and B=[[1, 4],[7, 2]], find 3A-2B

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  2. Find the values of a and b if A=B , where A=[[a+4,3b],[8,-6]],B=[[2a+2...

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  3. Find the values of x and y if [[x+10,y^2+2y],[0,-4]]=[[3x+4,3],[ 0,y^2...

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  4. For what values of x and y are the following matrices equal? A=[(2x+1,...

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  5. Let A ,B be two matrices such that they commute. Show that for any pos...

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  6. Let A=[[2,3],[-1,2]] and f(x)=x^2-4x+7 Show that f(A)=0 Use this resul...

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  7. If A=[3 5],B=[7 3], then find a non-zero matrix C such that AC=B...

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  8. If A is a square matrix such that A^2=A , show that (I+A)^3=7A+Idot

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  9. Under what conditions is the matrix A^2-B^2=(A-B)(A+B) is true?

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  10. If a is a non-zero real or complex number. Use the principle of mathe...

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  11. If A = [[cos^2theta, costhetasintheta],[costhetasintheta, sin^2theta]]...

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  12. If A and B are square matrices of order n , then prove that A \ a n d ...

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  13. Show that positive odd integral powers of a skew-symmetric matrix are ...

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  14. If A=[(costheta,-sintheta),(sintheta,costheta)], then find the values ...

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  15. If A=d i ag(abc), show that A^n=d i ag(a^nb^nc^n) for all positive int...

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  16. If A=[[costheta,isintheta],[isintheta,costheta]], then prove by princ...

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  17. Let A=[[1,-1, 0],[ 2, 1, 3],[ 1, 2, 1]] a n d B=[[1 ,2, 3],[ 2, 1, 3],...

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  18. If [[xy, 4],[z+6, x+y]]=[[8, w],[0, 6]], write the value of (x+y+z)dot

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  19. If A=[a(i j)] is a skew-symmetric matrix, then write the value of sumi...

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  20. Express the matrix [3-2-4 3-2-5-1 1 2] as the sum of a symmetric and s...

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