Question Number 156910 by MathSh last updated on 16/Oct/21
Commented by ghimisi last updated on 17/Oct/21
$$\mathrm{9}\:\:\:????????? \\ $$$$ \\ $$
Commented by MathSh last updated on 17/Oct/21
$$\mathrm{Yes}\:\mathrm{dear}\:\boldsymbol{\mathrm{S}}\mathrm{er}\:\:=\:\mathrm{9}\:\:\mathrm{is}\:\mathrm{wrong}.? \\ $$