Question

if one root is 3+√5 then quadratic equation will be ???

a)x^2+6x-4
b)x^2+6x+4
c)x^2-6x+4
d)x^2-6x-4​

Answer 1

one root is 3+√5 and other is 3-√5

sum of root is 6 so b should be -6 , so option (a),(b) are eliminated

and product of root is 4 so c should be equal to 4

So answer is

Option (c)

please mark me as brainliest