Q. ( -frac{2}{3} x_{1}^{1} – frac{2}{sqrt{3}} x_{1}^{2} ).
Answer
Explanation: \(x_{1}^{1}=x_{1}\), so the expression simplifies to \(-\frac{2}{3}x_{1}-\frac{2}{\sqrt{3}}x_{1}^{2}\).
Final result: \(-\frac{2}{3}x_{1}-\frac{2}{\sqrt{3}}x_{1}^{2}\)
Detailed Explanation
Step 1 — Write the original expression
\( -\frac{2}{3}x_{1}^{1} – \frac{2}{\sqrt{3}}x_{1}^{2} \)
Step 2 — Simplify the exponents (any variable to the first power is itself)
\( x_{1}^{1} = x_{1} \), so the expression becomes
\( -\frac{2}{3}x_{1} – \frac{2}{\sqrt{3}}x_{1}^{2} \)
Step 3 — Identify a common factor. Both terms contain the factor \( -2 \) and at least one factor \( x_{1} \). Factor out \( -2x_{1} \).
Divide each term by \( -2x_{1} \):
First term: \( \dfrac{-\tfrac{2}{3}x_{1}}{-2x_{1}} = \dfrac{1}{3} \).
Second term: \( \dfrac{-\tfrac{2}{\sqrt{3}}x_{1}^{2}}{-2x_{1}} = \dfrac{x_{1}}{\sqrt{3}} \).
Thus
\( -\frac{2}{3}x_{1} – \frac{2}{\sqrt{3}}x_{1}^{2} = -2x_{1}\!\left(\frac{1}{3} + \frac{x_{1}}{\sqrt{3}}\right) \)
Step 4 — (Optional) Present an equivalent form with a rationalized or simpler inner coefficient. Note that \( \frac{1}{\sqrt{3}} = \frac{\sqrt{3}}{3} \). Using that, put the factor outside as \( -\frac{2x_{1}}{3} \):
\( -2x_{1}\!\left(\frac{1}{3} + \frac{x_{1}}{\sqrt{3}}\right)
= -\frac{2x_{1}}{3}\!\left(1 + \sqrt{3}\,x_{1}\right) \)
Final simplified (factorized) forms:
- \( -\dfrac{2}{3}x_{1} – \dfrac{2}{\sqrt{3}}x_{1}^{2} = -2x_{1}\!\left(\dfrac{1}{3} + \dfrac{x_{1}}{\sqrt{3}}\right) \)
- Equivalent alternative: \( -\dfrac{2}{3}x_{1} – \dfrac{2}{\sqrt{3}}x_{1}^{2} = -\dfrac{2x_{1}}{3}\!\left(1 + \sqrt{3}\,x_{1}\right) \)
Algebra FAQs
What does the expression \(\ -\frac{2}{3}x_{1}^{1} - \frac{2}{\sqrt{3}}x_{1}^{2}\) mean?
How can I simplify or factor this expression?
What is the derivative with respect to \(x_{1}\)?.
How do I find critical points (solve for stationary points)?
How do I evaluate the expression numerically, e.g., at \(x_{1}=1\)?
Can I complete the square for this quadratic?
Are there any domain restrictions?
How to convert the coefficient \(\frac{2}{\sqrt{3}}\) to a rationalized form?.
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