please answer this with step by step explanation I will definitely make you as a brain list
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the roots are
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Step-by-step explanation:
here a = 2, b = 7 and c = 4
D = b² - 4ac ( quadratic formula) D = discriminant
= (7)² - 4 x 2 x 4
= 49 - 32
= 17
√D = √17
∴ here D is positive irrational number so both roots are distinct and irrational.
Roots = x = -b ±√D / 2a
= -7 ±√17 / 2(2)
= -7 ±√17 / 4
∴
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