Question

the sum and product of two numbers are -2 and -63 respectively, the sum their reciprocals is

Answer 1

x+y= -2
xy = -63
1/x + 1/y = x+y/xy
-2/ -63 = 2/63

Answer 2

2/63(alpha=7 , beta= -9)
or -2/63(viceversa)