 
			 
			MCQOPTIONS
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				| 1. | Which of the following series is called the formal power series ? | 
| A. | b<sub>0</sub>+b<sub>1</sub>x+b<sub>2</sub>x<sup>2</sup>+ +b<sub>n</sub>x<sup>n</sup> | 
| B. | b<sub>1</sub>x+b<sub>2</sub>x<sup>2</sup>+ +b<sub>n</sub>x<sup>n</sup> | 
| C. | 1/2b<sub>0</sub>+1/3b<sub>1</sub>x+1/4b<sub>2</sub>x<sup>2</sup>+ +1/nb<sub>n</sub>x<sup>n</sup> | 
| D. | n<sup>2</sup>(b<sub>0</sub>+b<sub>1</sub>x+b<sub>2</sub>x<sup>2</sup>+ +b<sub>n</sub>x<sup>n</sup>) | 
| Answer» B. b<sub>1</sub>x+b<sub>2</sub>x<sup>2</sup>+ +b<sub>n</sub>x<sup>n</sup> | |