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Question

What is the reciprocal sum of the roots for the equation 23x2−13x=0?

A
2
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B
12
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C
12
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D
2
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Solution

The correct option is B 2
23x213x=0
Take 13x common, we get
13x(2x1)=0
13x=0, 2x1=0
x=0,x= 12 are the roots of the equation.
Reciprocal sum of the roots = 10+12 =2

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