Question

solve me this question ​

Answer 1

Step-by-step explanation:

hope this would help you

Answer 2

x^2-4x+1=0

clearly

sum of the roots=-(-4/1)=4 =a+b...i)

product of the roots=1=ab......ii)

also

1/a +1/b=a+b/ab =4/1

hence 4 is the answer