Question

if ab/a+b=1/17, bc/b+c=1/19, ca/c+a=1/18, find the value of abc/ab+bc+ca

Answer 1

Answer:

straight line a + b equal to 17 BC tradeline beta + c equal 191 - 90 + K equal a straight line 185 in the cube of ABC straight line a b + BC + CA ABC trade line a b + b c a