Recent content by JJYEO325

  1. J

    Help with Resistance Homework: Finding Sum to Infinity

    Homework Statement The first term of a convergent g.p is 3. The sum of the first five terms of the progression is twice the sum of the first ten terms. Find the sum to infinity of the progression. Homework Equations S(5)= 3(r^5 -1)/4 S(10)=3(r^10 -1)/9 . . . 8^10-9r^5+1=0 Sum to...
  2. J

    Geometric Progression: Finding the Outstanding Loan Amount after Each Year

    Thanks.. So the total amount he owe the bank for the first year is Un >? which is 1.03(200000)-(1.03)12000? Sorry I don't seem to understand the question.
  3. J

    Geometric Progression: Finding the Outstanding Loan Amount after Each Year

    Question: John took a bank loan of $200000 to buy a flat. The bank charges an anual interest rate of 3% on the outstanding loan at the end of each year. John pays $1000 at the beginning of each month until he finishes paying for his loan. Let Un denote the amount owed by john at the end of the...