factorise: 16y⁴-81
............pls help
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Step-by-step explanation:
16y^4-81
=(4y^2)^2-(9)^2
=(4y^2-9)(4y^2+9)