yangtheary

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12 years, 172 days

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Let A(-2,3,-5),B(-6,1,-1),C(2,-3,7) and point D on BC where the angle  DAB = angle DAC  .Find the equation of line AD?

Let$ (C):f(x)=3+\frac{(e^{x^2}+e)}{e^{x^2}-e)}$.Find the equation of the circle touching the graph $(C)$ at three points?

Let (C):f(x)=1/(x^2-2x).Find the equation of the circle touching the graph $(C )$ at three points?

Let $\triangle ABC$ be an equilateral triangle and $\angle BAC$=$20^\circ$, take point $D$ is on $AC$ such that $AD$ $=$ $BC$. Find $\angle ABD$= ?

Determine the sert of point  Z in complex plane isuch that  l2z-il=Im(z+1-i)

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