Question

if a,b,c and d are in proportion then prove that (a^4 + c^4):(b^4 + c^4) = a^2c^2:b^2d^2

Answer 1

Answer:

a^4+b^4+2c^4

Explanation:

a^4+c^4:b^4+c^4=a^4+b^4+2c^4