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Substitute in the values of a1 = 1 a 1 = 1 and r = 3 r = 3. Multiply 3n−1 3 n - 1 by 1 1. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.
12 lut 2016 · Usually the first term is called #t_0#, which would change the formula into #t_n=t_0*3^n=1*3^n#. But then the #n# th term would be #t_(n-1)# and all would still be correct. Watch this when you're doing a test!
Learn how to solve 1,3,9,27. Tiger Algebra's step-by-step solution shows you how to find the common ratio, sum, general form, and nth term of a geometric sequence.
Problem #1 "Use the geometric sequence of numbers 1, 3, 9, 27 … to find the following:" a) The ratio r is the factor to get from term to term. So to find r, simply pick any term and divide it by the previous term: Divide the term of 27 by 9 So the ratio is b) The sequence is multiplying by a factor of 3 each term, so the sequence is
Trying to formulate a proof for that sequence as practice. After reading this question's answer and lecture on this, I decided to try and practice with this sequence. My try: Base case $n = 1$ $S(n) = 3^n $ Induction step $S(n+1) = 3^{n+1}$ Then $Sn + n+1 = S(n+1)$
Free sequence calculator - step-by-step solutions to help identify the sequence and find the nth term of arithmetic and geometric sequence types.
Geometric sequence, with common ratio 3.
