2x²-22 x+1=0
x+=
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Answer:
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Step-by-step explanation:
Descriminant = b sq. - 4ac
= - 22 × - 22 - 4× 2× 1
= 484 - 8
= 476
Now ,
x = - b + √ D / 2a
= 22 + √ 476 / 4
= 22 + 24 / 4
= 46 / 4
23/ 2
x = - b - √D / 2a
= 22 - √ 476 / 4
= 22 - 24 / 4
= - 2/4
= -1 / 2
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