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2)Farm thecontrom s ro |
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Answer» x²-2x-45=0 is the right answer sum of root=1-3√5+1+3√5= 2product of root=(1-3√5)(1+3√5){(a+b)(a-b)=a^2-b^2}(1)^2-(3√5)^2=1-9×5= -44so quadratic equation=x^2-(sum of root)x + product of root=0x^2-(2)x+(-44)=0x^2-2x+44=0 |
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