y^2=4xy^2=4x,焦点为P/2,0)故椭圆长轴在X轴上,左焦点为(-1,0)a^2-b^2=c^2 a^2=4+1=5 a=√5 故椭圆方程式为(x^2)/5+(y^2)/4=1 长轴为2√5 h-=x=)=h+x,得0=h_G+(fi)/G ,x=2,x=0和(2,-2)根据题意设抛物线方程为y^2=2px =2px则有4=2p*2 则抛物线方程为=2x...
(e) The tangent to the graph of y=2x^3+4x^2 has a negative gradient when x=k.Complete the inequality for k.-1.330 to 0.1...k...[2] 相关知识点: 试题来源: 解析 -1.330 to 0.1FT Strict ft of their max point and min point dep on cubic graph or accept corrcct answer from ...
所以:2x+5y=34^x=(2^2)^x=2^2x32^y=(2^5)^y=2^5y所以:4^x32^y=2^2x 2^5y=2^(2x+5y)=2^3=8 APP内打开 结果2 举报 2x+5Y-3=0所以:2x+5y=34^x=(2^2)^x=2^2x32^y=(2^5)^y=2^5y所以:4^x32^y=2^2x 2^5y=2^(2x+5y)=2^3=8 查看完整答案 结果3 举报 4的X次方等...
1802.11ax 2x2 160MHz requires use of similarly configured 802.11ax wireless network routers and enables 2402Mbps maximum theoretical data rates (approx. 3X (2.8X) faster than standard 802.11ac 2x2 80MHz (867Mbps) as documented in IEEE 802.11 wireless standard specifications). ...
To find the value of 2x2−3xy when x = -3 and y = 4, plug in -3 for x and plug in 4 for y in the expression: {eq}2x^2 - 3xy \ 2(-3)^2 -...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can...
C:y=1/2x- When we were scared,sad and helpless,you gave us courage,warmth and hopes. When we had to stay at home to keep away from the illness,you,workers,helped us buy living things;Leaving your children behind,you worked in the neighborhood every day,you never complained but smiled ...
y=3-(18)/(2x+3) (dy)/(dx)=-18(-1)(2x+3)^(-2)*2=(3b)/((2x+3)^2) when x=2 gradient o Whena =3 y=3-(18)/9=1 gradient of normal =-4 isy-1=-9/(1-(x-3)) Equation of normalH y=-9/4x+(31)/4 Ayea of the shaded rogion=∫_0^3(-9/4x+(31)/4)-...
无线网路路由器,并可实现2402mbps 的最大理论资料速率(比ieee 802.11 无线标准规范中记录的标准802.11ac 2x2 80m$hz (8673 倍。 ))。 2与其他 pc i/o 连接技术(包括 esata、usb 和 ieee 1394 firewire)相比。性能将根据所使用的特定硬体和软体而有所不同。必须使用支援 thunderbolt 的装置。 3并非所有...
Consider y = 4*sqrt(x). A) Find the change in y, Delta y when x = 1 and Delta x = 0.1. B) Find the differential dy when x = 1 and dx = 0.1. Find dy for the given values of x and \Delta x.y =...
Table 2: Intel 10th generation (Ice Lake) U Series and Y Series Processors – Performance features3,4 Feature10th Gen (Ice Lake) Intel Core U Series10th Gen (Ice Lake) Intel Core Y Series CPU/Memory/Graphics Overclocking No No Intel®Extreme Tuning Utility (XTU) ...