Question

Find the quadratic equation whose solutions are:
2 + sqr(5) and 2 - sqr(5)
I'm not just looking for an answer but rather to learn.

Answer 1

\[2+ \sqrt{5} and 2 - \sqrt{5}\]

Answer 2

equation bcam x^2 - (a+b)x+ a.b =0
take a=2+sqr 5 , b=2-sqr -5

Answer 3

\[x ^{2} - (a+b)x + ab = 0?\]

Answer 4

this is from an example in my book, but I don't understand the example:

Answer 5

tis what any quarratic equation can be form...

Answer 6

if their two roots are given .got it ...now