Question

Factorise 16a^2-49b^2
Step by step explanation

Answer 1

Answer:

a= 7, b= 4

Step-by-step explanation:

firstly equating to 0

then ,

16a^2 = 49b^2

a^2/b^2 = 49/16

a/b = √49/16

we get 7/4

i.e a= 7 b = 4