Question

2.Factorise :
i) a 2-27
PLEASE HELP​

Answer 1

Answer:

answer is 3root 3

Step-by-step explanation:

a2-27=0

a2=27

a= root over 27

a= root 27 is not a perfect square

so, split it as a product of perfect and non perfect square

a= root over 9×3

a= 3 root 3

Hope it helps you .