Question

Give correct answer with explanation and get brainiest. Please solve it fast. Its urgent ​

Answer 1

Answer:

b) 6

9ⁿ - 5ⁿ  ending digit  4  for odd n   &  6 for even n

but 4 is not given in the options

Hence, 6 is the answer to this question with these options.

Step-by-step explanation:

9ⁿ - 5ⁿ

5ⁿ  will always end with 5

9ⁿ will end with  9  for odd n   &  1  for even n

9 - 5 = 4   for odd n

1 - 5  = 6  for even n

Hence,

9ⁿ - 5ⁿ  ending digit  4  for odd n   &  6 for even n

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