Question

Sabendo que y=5 e a²+b²c²=150 , determine o valor de a²y+b²y+c²y

Answer 1

$a^{2}y+b^{2}y+c^{2}y\\ \\ =y \cdot \left(a^{2}+b^{2}+c^{2} \right )\\ \\ =5 \cdot 150\\ \\ =750\\ \\ \\ \boxed{a^{2}y+b^{2}y+c^{2}y=750}$