(3x)to the power of lg3 is equal to (4x)to the power of lg4 replied by ^tamago^ @ Mon, 28 Jan 2008 21:21:38 +0800

^tamago^ — Mon, 28 Jan 2008 21:21:38 +0800

it's okie

(3x)to the power of lg3 is equal to (4x)to the power of lg4 replied by gobez14 @ Mon, 28 Jan 2008 21:00:50 +0800

gobez14 — Mon, 28 Jan 2008 21:00:50 +0800

tahnkew so much tammy

(3x)to the power of lg3 is equal to (4x)to the power of lg4 replied by ^tamago^ @ Mon, 28 Jan 2008 19:53:04 +0800

^tamago^ — Mon, 28 Jan 2008 19:53:04 +0800

(3x)^{lg 3} = (4x)^lg
4

Taking lg,
lg 3 lg 3x = lg 4 lg 4x
lg 3(lg 3 + lg x) = lg 4(lg 4+lg x)
(lg 3)² - (lg 4)² = -lg x(lg 3 - lg 4)
-lg x = lg 3 + lg 4 = lg 12
lg x = lg 12^-1 = lg (1/12)
x = 1/12

(3x)to the power of lg3 is equal to (4x)to the power of lg4 replied by gobez14 @ Mon, 28 Jan 2008 19:46:17 +0800

gobez14 — Mon, 28 Jan 2008 19:46:17 +0800

how to get!!!????

(3x)to the power of lg3 is equal to (4x)to the power of lg4 replied by ^tamago^ @ Mon, 28 Jan 2008 19:44:01 +0800

^tamago^ — Mon, 28 Jan 2008 19:44:01 +0800

(3x)^{lg 3} = (4x)^lg
4

(3x)to the power of lg3 is equal to (4x)to the power of lg4 replied by gobez14 @ Mon, 28 Jan 2008 19:40:06 +0800

gobez14 — Mon, 28 Jan 2008 19:40:06 +0800

Solve fer x ..

i noe the answer it is 1/12 but how to get!?