Question

Which of the following equations has
two distinct real roots ?
a) 7x2 - 4x +1 =0
=0 c) x2 - 4x + 4 =0
+3=0
b) x2 +X-5
d) 2 x2 - 4x​

Answer 1

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Answer:

Option (d)

Step-by-step explanation:

$d = {b}^{2} - 4ac \\ \\ d = { - 4}^{2} - 4 \times 1 \times 2 \\ \\ d = 16 - 8 \\ \\ = > d = 8 > 0$

Therefore It Has Real And Distinct Root

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Answer 2

Answer:

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