安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- Solve 9x^4-12x^2+4=0 | Microsoft Math Solver
All equations of the form ax^ {2}+bx+c=0 can be solved using the quadratic formula: \frac {-b±\sqrt {b^ {2}-4ac}} {2a} Substitute 9 for a, -12 for b, and 4 for c in the quadratic formula Since x=t^ {2}, the solutions are obtained by evaluating x=±\sqrt {t} for positive t
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- 9x4 - Symbolab
x^{2}-x-6=0 -x+3\gt 2x+1 ; line\:(1,\:2),\:(3,\:1) f(x)=x^3 ; prove\:\tan^2(x)-\sin^2(x)=\tan^2(x)\sin^2(x) \frac{d}{dx}(\frac{3x+9}{2-x}) (\sin^2(\theta))' \sin(120)
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