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Asked by vikasg13.hardware | 30 Jun, 2018, 12:05: PM
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begin mathsize 16px style straight x cubed minus 3 straight x plus straight b equals 0 straight x squared plus bx minus 3 equals 0...... straight b equals fraction numerator 3 minus straight x squared over denominator straight x end fraction space space space sub space above straight x cubed minus 3 straight x plus fraction numerator 3 minus straight x squared over denominator straight x end fraction equals 0 straight x to the power of 4 minus 4 straight x squared plus 3 equals 0 open parentheses straight x squared minus 3 close parentheses open parentheses straight x squared minus 1 close parentheses equals 0 straight x equals plus-or-minus square root of 3 straight x equals plus-or-minus 1 sub space in space straight b equals fraction numerator 3 minus straight x squared over denominator straight x end fraction end style
Answered by Arun | 14 Jul, 2018, 06:34: PM

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CBSE 10 - Maths
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