self Maths Puzzle

if log a/b + log b/a=log(a+b) then a+b is

Read Solution (Total 2)

log a/b + log b/a = log a/b * b/a
= log 1
log a+b = log 1
a+b = 1
11 years agoHelpfull: Yes(1) No(0)

ans is 1.
log a/b + log b/a = log a/b * b/a
= log 1
log a+b = log 1
==>a+b = 1
11 years agoHelpfull: Yes(0) No(0)

self Other Question

a clever man,started off a business with a very little capital.in the 1st year,he makes a profit of 50% and donated 50% of the total capital(initial capital+profit) to charity.he followed the same in 2nd and 3rd years.if at the end of 3years,he is left with rs.16875,then find the amount donated by him at the end of second year. 1)b&e are good in mathematics& physiccs 2)a&b are good in art & literature WHO IS GOOD IN PHYSICS?