Question

if a and b be the roots of the x²+3x-2=0 then a/b+b/a+1/a+1/b​

Answer 1

Answer:

-5

Step-by-step explanation:

x²+3x-2=0

a+b=-3

ab=-2

(a/b)+(b/a)+(1/a)+(1/b)

((a²+b²)/ab) +((a+b)/ab)

((a+b)²-2ab)/ab+(-3/-2)

(9+4)/-2+(-3/-2)

13/-2+(-3/-2)

13-3/-2

10/-2

-5