Question

The different 2 number of s4 and the difference of their reciprocal is 4.21 find the number

Answer 1

$\mathfrak{The\:Answer\:is}$

x + 2*4 = 4.21

=> x = - 1.79

$\boxed{Hope\:This\:Helps}$

Answer 2

x + 2*4 = 4.21

=> x = - 1.79