Question

El cuadrado de la suma de:

(1+3x²)²

Answer 1

usamos la fórmula

(a+b)²=a²+2(a)(b)+b²

(1+3x²)²=
1²+(1)(3x²)(2)+(3x²)²

1+(1)(3x²)(2)+(3x²)²

1+6x²+9x⁴

Answer 2

(1 + 3X²)²

[(1)² + 2(1)(3X²) + (3X²)²]

[1 + 6X² + 9X^4]