Question

Jika 5 log 2 = a dan 7 log 2= b maka 2 log 35 ....

Answer 1

'2 log35 = (log 35)/(log 2)
= (log5 + log7)/(log 2)
= ('2 log5 + '2 log7)/('2 log2)
= (1/a + 1/b) / 1
= (a + b)/ab