Mathematics
Senior High
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5.
Evaluate the following without using a calculato
(a) lg (ln e)
(c) log4 7+ log4
7
1
(e) 2 lg 5 += lg 16
2
log, 64
log, 32
(i) 1-= - lg 125 lg 2
3
30
6.
If log₂ 3 =p, log₂ 5 = q and log; 7 = r, express each of the following in terms of p, q and r.
(a) log₂ 45
grson so
1
(c)
log₂ 8.
3
(e) log4
SY/SELAN
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