Frustrating problem
\(\normalsize \color{black}{\begin{align}& \text{if}\ \log 242=a,\log 80=b\ \text{and}\ \log 45=c & \hspace{.33em}\\~\\ & \text{express}\ \log36\ \text{in terms of }\ a,b,\ \text{and }\ c.\hspace{.33em}\\~\\ & a.)\ \dfrac{(c-1)(3c+b-4)}{2} \hspace{.33em}\\~\\ & b.)\ \dfrac{(c-1)(3c+b-4)}{3} \hspace{.33em}\\~\\ & c.)\ \dfrac{(c-1)(3c-b-4)}{2} \hspace{.33em}\\~\\ & (d.)\ \text{none of these} \hspace{.33em}\\~\\ \end{align}}\)
one thought is to first find the prime factors of each of the given numbers
i tried and ended up blundering every time in calculation
further i need to solve these problem within 2-3 min
are you allowed a calculator?
lol no / cheating prohibited
try out the options lol
of cos
so the answer is.......
thats a liitle time tough
lol and the book gives none of these at last when i checked
lol xD i hate when it happens xD
the objective here is to i need to observe this problem deeply
nd i m the guy who likes to do the opposite of what is said to be done. XD
what is the minimum time this problem should be solved
1-1.5min
i guess there should be some trick
there is :)
Is the anwser d?
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