Find the roots of equation 2x²-5x-1=0 by the method of completing the square.
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Step-by-step explanation:
2x²-5x-1=0
Dividing by 2 on both sides,
=>x²-(5/2)x-1/2=0
=>(x-5/4)²-25/16-1/2=0
=>(x-5/4)²=33/16
=>x-5/4=±()
=>x= OR
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