Geometric progression, first term 5, common ratio 3.
Answer: 5, 15, 45, 135
<u>You have to do: {</u><u><em> x^4 * 6x^2 </em></u><u>}</u>
(^ means to the power of)
(* means multiply)
Answer in picture
QUINTIC MEANS THAT THE HIGHEST DEGREE IS 5 and a trinomial has 3 terms
So it is d