1.

If n is any natural number, then 6n − 5n always ends with(a) 1(b) 3(c) 5(d) 7[Hint: For any n ∈ N, 6n and 5n end with 6 and 5 respectively. Therefore, 6n − 5n always ends with 6 − 5 = 1.]

Answer» If n is any natural number, then 6n − 5n always ends with



(a) 1

(b) 3

(c) 5

(d) 7



[Hint: For any n ∈ N, 6n and 5n end with 6 and 5 respectively. Therefore, 6n − 5n always ends with 6 − 5 = 1.]


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