Which of the equations are true identities?
\begin{aligned} \text{A. }&m^3-1=(m-1)(1+m+m^2...
Mathematics, 02.04.2020 03:28 riptaylorsreputation
Which of the equations are true identities?
\begin{aligned} \text{A. }&m^3-1=(m-1)(1+m+m^2) \text{B. }&(n+3)^2+2n=8n+13 \end{aligned}
A.
B.
m
3
−1=(m−1)(1+m+m
2
)
(n+3)
2
+2n=8n+13
Answers: 1
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