Question

expand : ( 1/ x + 4 /3) ^3​

Answer 1

(1/x)³+ (4/3)³ + 3(1/x)²(4/3) + 3(1/x)(4/3)²

= 1/x³ + 64/27 + 4/x² + 16/3x

I hope this answer helps you.