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Question

If α,β are the roots of ax2+bx+c=0 then the value (αβαβ)2 is:

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Solution

We have,

ax2+bx+c=0

αandβ be the roots

Then,

Sumsofroots=ba

Productofroots=ca

The value of (αβαβ)2=(αββαβ2)=0β2=0

Hence, this is the answer.

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