En resumen

(2f²)² + 2 x 2fC g + g²<img src="https://tex.z-dn.net/?f=4f%5E%7B4%7D%20%2B%204f%5E%7B2%7D%20g%2Bg%5E%7B2%7D" />.

Mejor respuesta

123maxii
8

(2f²)² + 2 x 2fC g + g²<img src="https://tex.z-dn.net/?f=4f%5E%7B4%7D%20%2B%204f%5E%7B2%7D%20g%2Bg%5E%7B2%7D" />.