InterviewSolution
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x का मान ज्ञात कीजिये यदि `[(1, x,1)][(1, 3,2),(2,5,1),(15,3,2)][(1),(2),(x)]=0` |
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Answer» दिया है- `[(1,x,1)][(1,3,2),(2,5,1),(15,3,2)][(1),(2),(x)]=0` `implies [(1+2x+15,3+5x+3,2+x+2)][(1),(2),(x)]=0` `implies [(16x+2x,6+5x,4+x)][(1),(2),(x)]=0` `implies [(16+2x).1+(6+5x).2+(4+x).x]=0` `implies 16+2x+12+10x+4x+x^(2)=0` `implies x^(2)+16x+28=0` `implies x^(2)+14x+2x+28=0` `implies x(x+14)+2(x+14)=0` `implies (x+14)(x+2)=0` अतः `x=-14` तथा `x=-2` |
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