Qualification > Math

can any1 solve this maths question.

<< < (3/4) > >>

nid404:

--- Quote from: Mister Mysterous on April 20, 2010, 07:42:50 pm ---The answer should be

--- End quote ---

how would you derive that??

immortal:
the ans is 0.1072 (4s.f) i think,cn any1 show da steps 2 derive at this :(

nid404:

--- Quote from: immortal on April 21, 2010, 03:45:54 pm ---the ans is 0.1072 (4s.f) i think,cn any1 show da steps 2 derive at this :(

--- End quote ---

nope that can't be...i crosschecked

immortal:
I got da ans.
3x+2=3x+32
3x*32=3x+32
9*3x=3x+9
9*3x-3x=9
3x(9-1)=9
3x*8=9
3x=9/8
x=ln(9/8)/ln3
x=0.107(3 s.f)

It cud also b done using iteration.

Ghost Of Highbury:
@immortal - u answered ur own doubt, lol.

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