WAEC - Mathematics (1996 - No. 5)
Simplufy Log104 + Log1025
1
2
3
4
5
คำอธิบาย
Log\(_{10}\)4 + Log\(_{10}\)25 = Log\(_{10}\)(4 + 25)
= Log\(_{10}\)100 = Log\(_{10}\)10\(^2\)
= 2Log\(_{10}\)10 = 2 x 1 = 2
= Log\(_{10}\)100 = Log\(_{10}\)10\(^2\)
= 2Log\(_{10}\)10 = 2 x 1 = 2