Question

using identities,simplify:(4a+1/4a)²​

Answer 1

Answer:

289a²/16

Step-by-step explanation:

(4a+1/4a)²

= (4a)² + (a/4)² + (2)(4a)(1/4)a

= 16a² + a²/16 + 2a²

= 18a² + a²/16

taking LCM

= { (18×16+1) a²} ÷ 16

= (288+1)a²/16

= 289a²/16