Use the method of mathematical induction to prove that is a multiple of for .
Follow Math Help Forum on Facebook and Google+
Let's see if this holds water. , true.
Assume 6 is a factor of . The (k+1)st term is
By the induction hypothesis, 6 is a factor of and
6 is a factor of 42, so 6 is a factor of the (k+1)st term and is true. And QED.
View Tag Cloud