going to the cloud! Call for testers for an early access release of a Stack Overflow extension... Related 1 Python Writing Quadratic Formula 1 create quadratic equation using Python library 2 How to obtain a math function as an output in python 0 How to calculate...
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x'^2(cos^2θ+sin^2θ)+y'^2(sin^2θ+cos^2θ)=r^2x'^2+y'^2=r^2F=F'=-r^2A+C=2=A'+C'B^2-4AC=-4=B'^2-4A'C'So the equation is invariant under rotation of axes.反馈 收藏
On the Stability of the Functional Equation f(2x+y)+f(x+y2)=2f(x)f(y)f(x)+f(y)+2f(x+y)f(y-x)3f(y-x)-f(x+y)f\left( {2x + y} ight) + f\left( {{{x + y} \over 2}} ight) = {{2f\left( x ight)f\left( y ight)} \over {f\left( x ight) + f\left( ...
Answer to: Show that the curve with parametric equation x= \sin t , y= \cos t , z= \sin^2t , is the curve of intersection of the surface z=x^2 and...
x≥1x≥1 this is impossible if y=1y=1. So in light of 1. above: Let pp be a prime that divides y2y2; this pp exists as yy is an integer at least 22. Then pp must divide both yy and the other side (x+y)2(x+y)2 of the equation 2y2=(x+y)...
Answer to: Find the equation of the tangent plane of f(x, y) = xe^{xy} at (2, 0). Find the linearization at the same point and use it to...
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2.Find the equation of the tangent to the curve y=x2-2x which is perpendicular to the line 2y=x-13.Find the equation of the normal to the curve y=3x2-2x-1 which is parallel to the line y=x-3 相关知识点: 试题来源: 解析 1:找到平行于X轴的曲线切线方程Y = X^ 22:找到的垂直...
While sex chromosomes carry sex-determining genes, they also often differ from autosomes in size and composition, consisting mainly of silenced heterochromatic repetitive DNA. Even though Y chromosomes show structural heteromorphism, the functional signi