Question

$evaluate.............$

Answer 1

Answer:

D = b² - 4 ac .

it can be written as :-

$\frac{ - b + \sqrt{d} }{2a} \: \: \: and \: \: \frac{ - b - \sqrt{d} }{2a}$

Answer 2

b^2-4ac =D
Root D:root b^2-4ac
Hence -b+\-rootD/2a
Hope it helps u
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