Question

If a,b,c,d are in proportion, show that √(3a^2+5c^2)/√(3b^2+5d^2) =a/b.

Answer 1

Step-by-step explanation:

We are given,

(a/b) = (c/d)

then,

c = (a × d/b)

c = (ad/b)

Now, since it is a bit difficult to understand if I type, I have uploaded a written image of the solution.

Hope it helped and you understood it........All the best