Question

2log5 = a, maka 25log32=

Answer 1

5/2a ?? tinggal dibalik
 

Answer 2

2log 5 = a

berarti
5log 2 = 1/a

25 = 5^2
32 = 2^5

25log 32
= (5^2)log (2^5)
= (5log 2) × 5 ÷ 2
= (1/a) × (5/2)
= 5/2a

semoga benar yaa... ;-)