Question

please solve,............​

Answer 1

Step-by-step explanation:

(8a-5b)/(8c-5d) = (8a+5b)/(8c+5d)

(8a-5b)/(8a+5b) = (8c-5d)/(8c+5d)

though we can solve it using cross multiplication, for sake of convenience, I am using componendo and dividendo. In case you are not conversant with it I give a simple example below

a/b = (a+b)/(a-b) or a/b= (a-b)/(a+b)

using this property we have

(8a+5b + 8a-5b)/(8a+5b-8a+5b) = (8c+5d+8c-5d)/(8c+5d-8c+5d)

16a/10b = 16c/10d

a/b = c/d

proved