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[tex]$
\begin{array}{l|l}
5 & 623 \\
\hline 5 & 125 \\
5 & 25 \\
5 & 5 \\
\hline & 1
\end{array}
$[/tex]

Solve the following exponential equation:

(ii) [tex]$(\sqrt{2})^2 = 2^8$[/tex]


Sagot :

To solve the equation [tex]\((\sqrt{2})^2 = 2^8\)[/tex], let's break this down step by step.

1. Understand the left side of the equation:
- The left side is [tex]\((\sqrt{2})^2\)[/tex].
- When you square a square root, you get the number under the square root.
- So, [tex]\((\sqrt{2})^2 = 2\)[/tex].

2. Understand the right side of the equation:
- The right side is [tex]\(2^8\)[/tex].
- [tex]\(2^8\)[/tex] means raising 2 to the power of 8.
- This multiplication would be expressed as [tex]\(2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2 = 256\)[/tex].

3. Compare both sides:
- The left side is 2.
- The right side is 256.

So, [tex]\((\sqrt{2})^2 = 2\)[/tex] and [tex]\(2^8 = 256\)[/tex].

Therefore, the two sides of the initial equation are not equal:
[tex]\[ 2 \neq 256. \][/tex]