English: So, here, we have this conclusion that $F_{2}\ dy = \iint_{R}^{\ }\frac{\partial F_{2}}{\partial x}\ dA$.
Telugu: కాబట్టి, ఇక్కడ, $F_{2}\ dy = \iint_{R}^{\ }\frac{\పాక్షిక F_{2}}{\పాక్షిక x}\ dA$.