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

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

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The correct Answer is:
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`Y=[{:(3,2),(1,4):}]and 2X+Y=[{:(1,0),(-3,2):}],`
`implies [{:(1,0),(-3,2):}]-Y`
`=[{:(1,0),(-3,2):}]-[{:(3,2),(1,4):}]=[{:(-2,-2),(-4,-2):}]`
`implies X=[{:(-1,-1),(-2,-1):}]`
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NAGEEN PRAKASHAN-MATRICES-Exercise 3.2
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  5. Find X and Y, if(i) X+Y=[7 0 2 5]and X-Y=[3 0 0 3](ii) 2X+3Y=[2 3 4 0]...

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

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  7. Find X and Y,if 2[{:(1,3),(0,x):}]+[{:(y,0),(1,2):}]=[{:(5,6),(1,8...

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