1)

If   3x=4x1    , then x is equal to


A) 2log322log321

B) 22log23

C) 11log43

D) 2log232log231

Answer:

Option A,B,C

Explanation:

3x=4x1  , taking log3on both sides

     xlog33=(x1)log43

x=2log23.xlog43

     x(12log23)=2log23

    x=2log232log231

x=1112log23=111log43=11log43

x=22log32