Problem 693

Change the logarithmic statement  log 4x = 2  into an equivalent exponential statement.   Solution:-   bx = a ↔ log ba = x 42 = x  

Problem 692

Change the exponential statement  5-2 = into an equivalent logarithmic statement.   Solution:-   bx = a ↔ log ba = x log 5 = -2  

Problem 691

  The Fibonacci sequence was first discovered during a study of rabbits. If newborn rabbits become adults in one month, each pair of adult rabbits produces one pair each month,…

Problem 690

Write the geometric sequence that has four geometric means between 1 and 16,807.   Solution:-   an = a1 * r^{n -1} Where an is the nth term, a1 is…

Problem 688

Find the tenth term of the sequence: 1, -2, 4, -8, …   Solution:-   Find the common ratio and use the explicit formula for geometric sequences: an = a1 rn-1…

Problem 687

Find the sum of the first five terms of the arithmetic series: an =4n +7   Solution:-   Find  a1  and  an  by using the explicit formula for arithmetic sequence: an = a1…

Problem 686

  Write the arithmetic sequence that has four arithmetic means between -20 and 20.   Solution:-   The rule of arithmetic sequence {a, a+d, a+2d, a+3d, … } a =…

problem 685

  Find the tenth term of the sequence: 1, 9, 17, 25, ….   Solution:-   Find the common difference and use the explicit formula for arithmetic sequences: an =…