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Basic Algebra


Let p, q be the roots of the equation x23x+2=0.





The quadratic equation having roots 2p and 2q is:
Options:
A. x2−3x+4=0
B. x2−6x−8=0
C. x2−6x+4=0
D. x2−6x+8=0

 Next Question
Answer: Option D
: D

Substitute x by(x2) The equation becomes:(x2)23(x2)+2=0,x26x+8=0.

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