Question

URGENT

if a,b,c,d are in proportion prove that (a+b)/(c+d) = (2a² + 7b²)/(2c² + 7d²)
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Answer 1

Answer:

Step-by-step explanation:

Please do correction in question as following:

if a,b,c,d are in proportion prove that

(a+b)²/(c+d)² = (2a² + 7b²)/(2c² + 7d²)

solution is attached

It took me more then 2 hours to find problem in question and in its solution.

Still I am happy that the solution will help you