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Q.

Let  α and  β  be the roots of the equation  3x26x+5=0  then the equation whose roots are  (α+β)   and    2(α+β)  is

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a

x2+3x1=0

b

x2+3x2=0

c

x23x+2=0

d

x23x2=0

answer is C.

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Detailed Solution

α+β=2    and    αβ=53x2x[(α+β)+2α+β]+2=0x2x[3]+2=0

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