Math, asked by netrajlodhinetraj, 8 months ago

the roots of quadratic equation 5×2-4 x+5​

Answers

Answered by shreenidhi2518
0

Answer:

The two roots of the quadratic equation ax

2

+bx+c=0 are given by,

x=

2a

−b±

b

2

−4ac

For the given equation 5x

2

−4x−7=0,

b

2

−4ac=(−4)

2

−4(5)(−7)=16+140=156

So, the roots are,

x=

2(5)

156

x=

10

4±2

39

x=

5

39

l

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