Mathematical Equations

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Solve x² − 9x + 20 = 0.

x² − 9x + 20 = 0

x=−b±b2−4ac2ax=\frac{-b\pm\sqrt{b^2-4ac}}{2a}
d=(x2−x1)2+(y2−y1)2d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}
Obtained MarksTotal Marks×100\frac{\text{Obtained Marks}}{\text{Total Marks}}\times100
SI=PRT100SI=\frac{PRT}{100}
A=P(1+R100)TA=P\left(1+\frac{R}{100}\right)^T
A=πr2A=\pi r^2
∑i=110i\sum_{i=1}^{10} i
P(E)=Favourable OutcomesTotal OutcomesP(E)=\frac{\text{Favourable Outcomes}}{\text{Total Outcomes}}
sin2⁡θ+cos2⁡θ=1\sin^2\theta+\cos^2\theta=1
tan⁡θ=sin⁡θcos⁡θ\tan\theta=\frac{\sin\theta}{\cos\theta}

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