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ÊåEaÁllx'J¤ÇåÁxÇÑJ
11 ¾ÄÉÀÒ¤Á 2011, 22:21
Let $3^a$=4,$4^b$=5,$5^c$=6,$6^d$=7,$7^e$=8 and $8^f$=9 What is value of the product abcdef = ?
:cool::)
Hirokana
11 ¾ÄÉÀÒ¤Á 2011, 23:32
µÍº 2 ¤ÃѺ 555+
ÊåEaÁllx'J¤ÇåÁxÇÑJ
12 ¾ÄÉÀÒ¤Á 2011, 08:11
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:cry:
gon
12 ¾ÄÉÀÒ¤Á 2011, 08:44
Let $3^a$=4,$4^b$=5,$5^c$=6,$6^d$=7,$7^e$=8 and $8^f$=9 What is value of the product abcde
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1. $(a^{m})^n = a^{mn}$
2. ã¹Ãкº¨Ó¹Ç¹¨ÃÔ§ $a^x=a^y \iff x=y$
$3^a = 4 \Rightarrow (3^a)^b = 4^b \Rightarrow 3^{ab} = 4^b$
áµè $4^b = 5$ ´Ñ§¹Ñ鹨Ðä´éÇèÒ $3^{ab} = 5$
¨Ò¡¹Ñ鹡ç·ÓµèÍ´éÇ¡Ãкǹ¡ÒÃä»àÃ×èÍÂ æ ¤ÃѺ.
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