Question

分解因式:y^2-6y 8

Answer 1

y^2-6y^8
=y^2(1-6y^6)
=y^2(1-³√6y^2)(1+³√6y^2+³√36y^4)
=y^2(1+6√6y)(1-6√6y)(1+³√6y^2+³√36y^4)
^ ^ ---->这2个6在根号的左上,表示6的开6次方根