ICSE Class 10 Answered
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/588709ce7a42789cc3e9736374706a335a3125cd654b02.222417961513170324619877019716.jpg)
Asked by lovemaan5500 | 13 Dec, 2017, 18:36: PM
![begin mathsize 16px style It space is space an space GP space with space first space term space equals space 30 space and space straight r equals 2.
For space the space first space hour space equals space 30 cross times 2
For space the space second space hour space equals space 30 cross times 2 squared
For space the space third space hour space equals space 30 cross times 2 cubed
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End space of space straight n to the power of th space hour space equals space ar squared equals 30 cross times 2 to the power of straight n end style](https://images.topperlearning.com/topper/tinymce/cache/aa770358a6283af37cdbf9ebbff62d86.png)
Answered by Sneha shidid | 13 Dec, 2017, 18:45: PM
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