find the roots of a quadratic equation 2 x square - 2 root 2 x -1
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2x² - 2√2x - 1 = 0
In above Eqn
D = b²-4ac = (-2√2)² -4*2*1
= 8 + 8 = 16
So, √D = +4 or -4
So, x = -b + √D/2a or -b - √D/2a
= 2√2 +4/4 or 2√2 -4 /4
= √2/2 + 1 or √2/2 - 1
In above Eqn
D = b²-4ac = (-2√2)² -4*2*1
= 8 + 8 = 16
So, √D = +4 or -4
So, x = -b + √D/2a or -b - √D/2a
= 2√2 +4/4 or 2√2 -4 /4
= √2/2 + 1 or √2/2 - 1
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