06. Find the roots of the following quadratic equations if they exist ,using the qudiratic formula
(1).x2+4x+5=0
(2).2x2-2√2x+1=0
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Answer:
x^2+4x+5=0
√b^2-4ac/2a - quadratic formula
a=1 b=4 c=6
√(4)^2-(4)(1)(5)/2(1)
√16-20/2=√-4/2
=-2/2= (-1)
(-1) is the answer
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