Math, asked by Manmeetdhillon, 10 months ago

Find the roots of equation 2x²-5x-1=0 by the method of completing the square.​

Answers

Answered by Anonymous
1

Answer:

(\sqrt{33}+5)/4 or (5-\sqrt{33})/4

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=±(\sqrt{33} /4)

=>x=(\sqrt{33}+5)/4 OR (5-\sqrt{33})/4

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