Question

find the root of quadratic equation x2-x-1 is 0 using quadratic formula​

Answer 1

Answer:

1+√5/2. ,1-√5/2

Step-by-step explanation:

quadratic formula=

x=-b+-√b²-4ac/2a

x=-(-1)+-√(-1²)-4×1×(-1)/2×1

x=1+-√1+4/2

x=1+-√5/2