Question

Aif a :b is equal to c:d then valude of a^2+b^2/c^2+d^2 is

Answer 1

then
a:b=c:d

a=c
b =d
now
a^2+b^ 2/c^2+d^2

a^2+b^2/a^2+b^2

= 1 ANS

Thank You