120 likes | 216 Views
STEP Numbers, sequences and series. STEP 1 sequences/series: illustration 1. STEP 1 sequences/series: illustration 2. STEP 1 sequences/series: illustration 2. STEP 1 sequences/series: illustration 3.
E N D
STEP Numbers, sequences and series
STEP 1 sequences/series: illustration 3 My bank pays p% interest at the end of each year. I start with nothing in my account. Then, for m years, I deposit £a in my account at the beginning of each year. After the end of the mth year, I neither deposit nor withdraw for l years. Show that the total amount of in my account at the end of this period is At the beginning of each of the n years following this period I withdraw £b and this leaves my account empty after the nth withdrawal. Find an expression for a/b in terms of r, l, m, and n. v v v v v v v
STEP 1 sequences/series: illustration 3 My bank pays p% interest at the end of each year. I start with nothing in my account. Then, for m years, I deposit £a in my account at the beginning of each year. After the end of the mth year, I neither deposit nor withdraw for l years. Show that the total amount of in my account at the end of this period is At the beginning of each of the n years following this period I withdraw £b and this leaves my account empty after the nth withdrawal. Find an expression for a/b in terms of r, l, m, and n. v v