Question

Nature of the roots of the equation 2x2 + 3x + 5 = 0 is
(a) real and unequal
(b) real and equal
(C) not exist​

Answer 1

Answer:

$\huge{\boxed{\rm{\red{Option C}}}}$

Step-by-step explanation:

Given equation is 2x²+3x+5=0

On comparing with ax²+bx+c=0

then we have a=2;b=3;c=5

To find the nature of the roots then we have to find The discriminant

The discriminant is D= b²-4ac

=>D=3²-4(2)(5)

=>D=9-40

=>D=-31<0

Discriminant=-31

Since the discriminant is less than zero(d<0)

so The roots of the given equation does not exist.

It has no real roots

It has imaginary roots.

Answer 2

Answer:

real and equal

Step-by-step explanation:

2*2+3x+5=0

4+3x+5=0

9+3x=0

3x=-9

x=-9/3

x=-3

where x=-3

2*2+3x+5=0

4+3*-3+5=0

+9-9=0

0=0

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