Question

Diketahui ²log3= x dan ²log5= y, maka ²log45√15 sama dengan.....

Answer 1

² log 45 + ² log √15
² log (9 x 5) + ² log √5 x 3
² log 9 + ² log 5 + ² log √5 +² log √3
2. ² log 3 + ² log 5 + (1/2) ² log 5 + (1/2) ² log 3
2x + y + (1/2)y + (1/2)x
(5/2)x + (3/2)y