If 3^p+3^4=90, 2^r+44=76, and 5^3+6^s=1421, what is the product of p, r, and s?
2 Answers
Mar 25, 2018
Given
So
Again
Again
Hence
Mar 25, 2018
Explanation:
As
i.e.
Similarly
hence
and
and therefore
hence