3. Solve the equation 2x2 - V5 x - 2 = 0.
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Answered by
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Answer:
(√5±√41)/4
Step-by-step explanation:
a=2 , b=-√5 and c =-2
discriminate(D)
b²-4ac= (-√5)²-4(2)(-2)
= 25+16
= 41
Roots are (-b±√D)/2a.
Thus, roots are (√5±√41)/4
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