Question

please help me solve this question

​

Answer 1

I attached the answer....

please mark as brainliest answer ♥️ please thank my answer please friend ❣️✌️❤️ God bless you

Answer 2

Answer:

$\huge{\textbf{\textsf{\color{navy}{}{\purple{An}{\pink{sw}{\color{pink}{er}}}}}}}$

Step-by-step explanation:

Answer

Remember

(x−α)(x−β)(x−γ)=x

3

−x

2

S

1

+xS

2

−S

3

Since a, b, c are the roots of

x

2

−px

2

+qx−r=0

s

1

=a+b+c=p=2sor s=p/2

s

2

=∑ab=q,s

3

=abc=r

△

2

=s(s−a)(s−b)(s−c)

=

2

P

(

2

P

−a)(

2

P

−b)(

2

P

−c)

=

2

P

[(

2

P

)

2

−(

2

P

)

2

s

1

+

2

P

s

2

−s

3

]

=

2

P

[

8

−p

3

+4pq−8r

]

∴△=

4

1

[p(4pq−p

3

−8r)]

1/2