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Q.

The sum of the roots of the equation x2-6x+2=0 is


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a

2  

b

-2

c

6

d

-6 

answer is C.

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Detailed Solution

detailed_solution_thumbnail
Given quadratic equation is x2-6x+2=0.
We know that,
The standard form of a quadratic equation is ax2+bx+c=0, where a,b  c are real numbers and a0.
Then, sum of the roots is given by ba.
After comparing the given equation with the standard form, we get,
a=1,b=-6, c=2 Then,
Sum of the roots =ba
=-61 =6 The sum of the roots of the equation x2-6x+2=0 is 6.
Hence, the correct option is 3.
 
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