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Given that A+B=[[2,5],[7,8]] and A-B=[[6...

Given that `A+B=[[2,5],[7,8]]` and `A-B=[[6,8],[4,3]]`
Find `2A`.

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MAXIMUM PUBLICATION-MATRICES-EXAMPLE
  1. Find X and Y if 2X+3Y=[[2,3],[4,0]] and 3X+2Y=[[-2,2],[-1,5]]

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  2. Find X if Y=[[3,2],[1,4]] 2X+Y=[[1,0],[-3,2]]

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  3. Given that A+B=[[2,5],[7,8]] and A-B=[[6,8],[4,3]] Find 2A.

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  4. Given that A+B=[[2,5],[7,8]] and A-B=[[6,8],[4,3]] Find A^2-B^2 .

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  5. Given that A+B=[[2,5],[7,8]] and A-B=[[6,8],[4,3]] find (A+B)(A-B)

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  6. Consider A=[[1,x,1]],B=[[1,3,2,],[2,5,1,],[15,3,2,]],C=[(1),(2),(x)...

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  7. Consider A=[[1,x,1]],B=[[1,3,2,],[2,5,1,],[15,3,2,]],C=[(1),(2),(x)...

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  8. Write A as the sum of a symmetric and a skew symmetric matrix. A=[[1,4...

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  9. Consider the matrix A=[[2,1,3],[2,3,1],[1,1,1]] B=[[-1,2,3],[-2,3,1]...

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  10. Consider the matrix A=[[2,1,3],[2,3,1],[1,1,1]] B=[[-1,2,3],[-2,3,1]...

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  11. Given P=[[2,-3],[-1,2]] . Find the inverse of P by elementary row ope...

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  12. Let A=[[3,6,5],[6,7,8]] and C=[[1,2,-3],[4,5,6]] Find 2A

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  13. Let A=[[3,6,5],[6,7,8]] and C=[[1,2,-3],[4,5,6]] Find the matrix B ...

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  14. Let A=[[2,4],[-1,1]] Apply elementary transformation R1rarrR1/2 in t...

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  15. Let A=[[2,4],[-1,1]] Find the inverse of A by elementary transformat...

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  16. Consider the matrix A=[[3,1],[-1,2]] Find A^2

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  17. Consider the matrix A=[[3,1],[-1,2]] Find k so that A^2=kA-7I

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  18. Consider a 2xx2 matrix A=[a(ij)] where a(ij)=abs(2i-3j) Write A

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  19. Consider a 2xx2 matrix A=[a(ij)] where a(ij)=abs(2i-3j) Find A+A...

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  20. If A=[[3,1],[-1,2]] then Find A^2

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