write the sum and the product of the roots of 2x square+10x-5=0
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Answer:
sum of roots=-b/a=-10/2=-5
product of roots=c/a=-5/2
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write the sum and the product of the roots of 2x square+10x-5=0
comparing the equation
2x² +10x-5=0 or x²+2x-(5/2)=0
with the equation
x²-(a+b)x+ab=0
we get
(a+b)= -2
therefore the sum of the roots is -2
ab=-(5/2)
therefore the product of the roots is -(5/2)
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