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Question

if the equations 2x2+3x+5λ=0 and x2+2x+3λ=0 have a common root, then λ =


A

2,-1

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B

0

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C

0,-1

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D

-1

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Solution

The correct option is C

0,-1


Solving 2x2+3x+5λ=0 and x2+2x+3λ=0x=λSubstituting in first equation 2λ2+3(λ)+λ5=0 λ=0,1


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