Form the quadratic equation with rational coefficient, if its one of the root is√5−√3, then the equation is
A
x2±6x+6=0
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B
x2±7x+6=0
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C
x2±7x+16=0
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D
none of the above
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Solution
The correct option is D none of the above If one root is √5−√3 then the other root will be √5+√3 Sum of root = 2√5 Product of roots = (√5+√3)(√5−√3) = 5 - 3 = 2 The equation whose standard form is x2−Sx+P=0 will be, x2−2√5x−2=0