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Sum of. Geometric Series. Lesson Objectives. to find the sum of a given n terms of a geometric series. 2) to solve simple problems involving geometric series. Find the sum of the following series:. 2 + 6 + 18 + 54 + …….. to 12 terms. 2. 3. 12.
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Sum of Geometric Series
Lesson Objectives to find the sum of a given n terms of a geometric series. 2) to solve simple problems involving geometric series.
Find the sum of the following series: 2 + 6 + 18 + 54 + …….. to 12 terms 2 3 12 Geometric series: a=…….. , r=…….,n=….. Sn = 531,440
2 + 6 + 18 + 54+ …….. to 12 terms 12 2 3 Geometric series: a=…….. , r=…….,n=….. Sn = 531,440
Find the sum of the following series: 12 + 6 + 3 + 1.5 + …….. to 10 terms 12 1/2 10 Geometric series: a=…….. , r=…….,n=….. Sn = 23.9766
12 + 6 + 3 + 1.5 + …….. to 10 terms 10 12 1/2 Geometric series: a=…….. , r=…….,n=….. Sn = 23.9766
6 – 3 + 1.5 - 0.75 + ……….. to 15 terms 6 -1/2 15 Geometric series: a=…….. , r= …….,n=….. Sn = 4.000
+ 49………. to 12 terms 12 Geometric series: a=…….. , r= …….,n=….. Sn = 189,133.89
Find a formula of Sn: 2 + 6 + 18 + 54 + …….. to n terms 2 3 n Geometric series: a=…….. , r=…….,n=…..
Find a formula of Sn: 12 + 6 + 3 + 1.5+ …….. to n terms 12 1/2 n Geometric series: a=…….. , r=…….,n=….. Sn = 24 ( 1 – ( ½ )n
Find a formula of Sn: + 9 …….. to n terms n Geometric series: a=…….. , r=…….,n=…..
A ball is dropped from a height of 15 m and bounces to 60% of the previous height . How far has the ball traveled when it hits the ground for the 4th time 15 m 9 m 5.4 m 3.24 m
Home work: Q 1a , Q 2b: page 48