lacielowery2003 lacielowery2003 29-05-2023 Mathematics contestada "The Binomial Theorem Formalized" Use the binomial theorem to expand expressions 1-4 and answer question 5. 1. (3x² + y)² 2. (5x4+2y5)4 3. (x³ + 4y2)5 4. (x-2y)6 5. Find the coefficient of x3y4 in the expansion of (2x + 5y²)5.