Decompose rational expressions into partial fractions
Find every coefficient in the stated real partial-fraction decomposition. Zero and fractional coefficients are allowed
\[\frac{2}{(x+1)(x+3)}=\frac{A}{x+1}+\frac{B}{x+3}\]
\[x\ne -3,-1\]
Find every coefficient in the stated real partial-fraction decomposition. Zero and fractional coefficients are allowed