Question

तपा-7.
11. गणोत्तर श्रेणी. 2, 8, 32,.....................का कौन-सा पद 131072 है?​

Answer 1

Answer:

$131072 = 2 {(4)}^{n - 1} \\ \\ 65536 = {(4)}^{n - 1} \\ \\ {(4)}^{8} = {(4)}^{n - 1} \\ \\ n - 1 = 8 \\ \\ n = 9$