Question

if alfa, beta are the roots of X square -5x+10, then alfa square+beta square is​

Answer 1

step by step explanation:-

please mark as a BRANILIST and say thanks

Answer 2

Answer:

Step-by-step explanation:

Alpha+beta=-b/a

Alpha + beta=-(-5)

Aplha+ beta=5...(1)

Aplha*beta=c/a

Alpha * beta=10..(2)

To find the value of

Alpha^2+beta^2

We get,

(Alpha+beta)^2-2alpha* beta

Now using the eq1 n 2

(5)^2-2*10

25-20

5 is the answer