Question

the quadratic eq

$2x {}^{2} - \sqrt{5} x + 1 = 0$
has
a)two distinct real root's
b)two equal real roots
c)no real root's
d)more than 2 root's ​

Answer 1

Hi !!

Solution :- 2x²-√5x + 1

D = b² - 4ac = (√5)² - 4*2**1 = 5-8 = - 3

Here, Discriminat of equation is negative .

since, roots will be imaginary

Hence, option (b) is correct . no real root's .

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Hope it helps !!

@Raj❤

Answer 2

Step-by-step explanation:

c , no real root ......

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