1.若p是双曲线x^2\a^2-y^2\b^2=1(a>0,b>0)上的点,F1F2是其焦点,且∠F1PF2=α,则△F1PF2的面积为A a^2tgα\2 B b^2tgα\2 C a^2ctgα\2 D b^2ctgα\22 直线y=kx+1与椭圆x^2\5+y^2\m=1恒有公共点,则实数m的取值范围为?3抛物线y
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 21:56:06
![1.若p是双曲线x^2\a^2-y^2\b^2=1(a>0,b>0)上的点,F1F2是其焦点,且∠F1PF2=α,则△F1PF2的面积为A a^2tgα\2 B b^2tgα\2 C a^2ctgα\2 D b^2ctgα\22 直线y=kx+1与椭圆x^2\5+y^2\m=1恒有公共点,则实数m的取值范围为?3抛物线y](/uploads/image/z/13294293-69-3.jpg?t=1.%E8%8B%A5p%E6%98%AF%E5%8F%8C%E6%9B%B2%E7%BA%BFx%5E2%5Ca%5E2-y%5E2%5Cb%5E2%3D1%28a%3E0%2Cb%3E0%29%E4%B8%8A%E7%9A%84%E7%82%B9%2CF1F2%E6%98%AF%E5%85%B6%E7%84%A6%E7%82%B9%2C%E4%B8%94%E2%88%A0F1PF2%3D%CE%B1%2C%E5%88%99%E2%96%B3F1PF2%E7%9A%84%E9%9D%A2%E7%A7%AF%E4%B8%BAA+a%5E2tg%CE%B1%5C2+B+b%5E2tg%CE%B1%5C2+C+a%5E2ctg%CE%B1%5C2+D+b%5E2ctg%CE%B1%5C22+%E7%9B%B4%E7%BA%BFy%3Dkx%2B1%E4%B8%8E%E6%A4%AD%E5%9C%86x%5E2%5C5%2By%5E2%5Cm%3D1%E6%81%92%E6%9C%89%E5%85%AC%E5%85%B1%E7%82%B9%2C%E5%88%99%E5%AE%9E%E6%95%B0m%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E4%B8%BA%3F3%E6%8A%9B%E7%89%A9%E7%BA%BFy)
xRMO@+1?+!i=CD
C 1DO! r/HOvgf7oGI d3X%^ď|FeiީH3"k9Iܲiꕗ_"_wz6(6!^IfEo>d[)2˯OVF&oGD ys
O3)E![Xޤ<.҉v enj?`FQA']`E:BjPGB=ޓ=&AD z
H6hliVRfUr-
cn쨣AF=_QG9D[tY