Question
Select the correct alternative from the given choices.What is the unit's place of $\left(5^{n}+4^{2 n}+7^{4 n}\right)^{4 n} ?$$\begin{array}{lll}\text { (A) } 4 & \text { (B) } 8 & \text { (C) } 2\end{array}$(D) 6
Step 1
Step 1: We need to find the unit's place of $\left(5^{n}+4^{2 n}+7^{4 n}\right)^{4 n}$. Show more…
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