find term in series

What is the sum of the first 6 terms of the geometric series 1 + 4 + 16 + ... ? => 16 or 1365 or 4 or 1024..

Identify the first four terms of the series with the rule given as 'Start with 250 and subtract 50 repeatedly'. => 250, 225, 200, 175 or 250, 200, 150, 100 or 250, 150, 100, 50 or 200, 100, 50, 10..

Find the sum to n terms of the geometric series. 1 + 4 + 16 + 64 + ... => 1 3 (4 n - 1) or 4 n - 1 or n 2 [ 2 + ( n - 1 ) 3 ] or 1 3 (1 - 4 n )..

Find the sum to n terms in the series. ( a - 9) + ( a - 11) + ( a - 13) + ... => n ( 2 a + 2 n - 1 6 ) 2 or n ( 2 a + 2 n + 1 6 ) 2 or n ( 2 a - 2 n - 1 6 ) 2 or n ( 2 a - 2 n + 1 6 ) 2..

Sum to n terms of a geometric series is (9 n - 1). Find the 10 th term. => 8(9 9 ) or 9 10 - 1 or 9 1 0 9 9 or 9(9 9 )..

Sum to n terms of a geometric series is (5 n - 1). Find the 43 th term. => 5(5 42 ) or 5 4 3 5 4 2 or 4(5 42 ) or 5 43 - 1..

Q stands for quality. The voltage magnification produced by series resonance is termed as Q-factor of the series resonance circui..

Find the sum of an infinite geometric series whose first term is 1 7 and common ratio is 1 7 . => 6 or 1 6 or 6 49 or 1 8..

The sum of n terms of the series 8 + 24 + 40 + 56 + . . . . . . is 1568, then find the value of n . => 12 or 16 or 17 or 14..

Average Power Associated with LCR Circuit in Series - In an electrical circuit, energy is supplied by the source of EMF, stored by the capacitive and inductive elements and dissipated in resistive elements. Conservation of energy requires that, at any particular time, the rate at which en..