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CBSE Class 10 Answered

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Asked by arindeep.singh | 16 Jul, 2020, 10:09: PM
Expert Answer
To find the zeros of the polynomial 4x2 + 5root2 x - 3 
 
Zeros space of space the space polynomial space are space given space by colon straight x equals fraction numerator negative 5 square root of 2 plus-or-minus square root of open parentheses 25 cross times 2 close parentheses minus 4 open parentheses 4 close parentheses open parentheses negative 3 close parentheses end root over denominator 2 cross times 4 end fraction equals fraction numerator negative 5 square root of 2 plus-or-minus square root of 50 plus 48 end root over denominator 8 end fraction equals fraction numerator negative 5 square root of 2 plus-or-minus 7 square root of 2 over denominator 8 end fraction equals fraction numerator negative 12 square root of 2 over denominator 8 end fraction space or space fraction numerator 2 square root of 2 over denominator 8 end fraction straight x equals fraction numerator negative 3 square root of 2 over denominator 2 end fraction space or space fraction numerator square root of 2 over denominator 4 end fraction straight x equals fraction numerator negative 3 over denominator square root of 2 end fraction space or space fraction numerator 1 over denominator 2 square root of 2 end fraction
Answered by Renu Varma | 17 Jul, 2020, 12:43: PM

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