For the circuit of the inverting amplifier, design a gain of -10 and an input resistance of \$100\$k\$\Omega\$. Give the values of \$R_1\$ and \$R_2\$.
Should I calculate the value of \$R_1\$ and \$R_2\$ by using \$-A_f = - R_f/R_1\$ and choose any value for \$R_1\$? What about the input resistance?