Wyznacz x je li a log28 x lo g 3 log 1 b 2x 3 bull log416 log218 log29 c log3 x bull log 4 x 1 bull log 100 27 d x 2 log3 lo g 321 log44x 1 e log332x 1 3 lo g i x 8 f 2x bull logs25 3x 2 bull log20 5 log34 8 2 lo g 34 1 funkcja wyk adnicza i funkcja logarytmiczna 25 1 102.

Docx mdash 3 ldquo 1 2 3 p wilwi l 2 p 2l ldquo l l 2 p ldquo 3l l 0 p ll 2 o3 p ldquo 2l ldquo 2 o p 3 i rdquo 2 2 3 p mi 3 o3 p 2l 3 2 3 p 3l 3 o.

M t h c sinh trinh bay nh sau b c 1 i u ki n 8 0 9 x ph ng trinh cho t ng ng 3 3 33log 1 3log 3 3log 8 9x x x 1 b c 2 1 3 3log 1 3 log 8 9x x x hay 1 3 8 9x x x 2 b c 3 binh ph ng hai v c a 2 r i rut g n ta c 3.

3 3 1 2.

X 3 x 2 1 2x x 2 1 2x 3 x 3 1 2x 4 x 3 x 2 x 5 42 x 5 16 x 11 5 7 11 2 x 3 3 2 x 3x 5 multiplying both sides by 2x 3 3x 5 gives 5 3 x 5 7 3 x 5 11 2 x 3 15 x 25 21x 35 22 x 33 15 x 25 x 68 16 x 43 43 x 16 z2 3 68 z2 32 z2 9 z 11 3x 4 8 0 3x 4 8 69 3x 4 3x 4 64 3x 68 68 x 3.