Question

ifa,b,c,d are in continued proportion prove that (a^2 -b^2) (c^2-d^2) = (b^2-c^2)^2​
please help ....i humbly request

Answer 1

Answer:

a,b,c,d are in continued proportion

a^2 -b^2) (c^2-d^2) = (b^2-c^2)^2