谁能帮我解几道极限的题目?1 求f(x)=sin2x+tan(x/2)周期2 lim(x^n-1)/(x-1) (n为正整数)x-1 3 lim(根号(2x+1)-3)/(根号(x-2)-根号2)x-44 lim(根号(x^2+x+1)-根号(x^2-x+1))x-正无穷5 lim{根号[(x+p)(x+q)]-x}x-正无穷6 lim(x^2+1)
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![谁能帮我解几道极限的题目?1 求f(x)=sin2x+tan(x/2)周期2 lim(x^n-1)/(x-1) (n为正整数)x-1 3 lim(根号(2x+1)-3)/(根号(x-2)-根号2)x-44 lim(根号(x^2+x+1)-根号(x^2-x+1))x-正无穷5 lim{根号[(x+p)(x+q)]-x}x-正无穷6 lim(x^2+1)](/uploads/image/z/4689589-13-9.jpg?t=%E8%B0%81%E8%83%BD%E5%B8%AE%E6%88%91%E8%A7%A3%E5%87%A0%E9%81%93%E6%9E%81%E9%99%90%E7%9A%84%E9%A2%98%E7%9B%AE%3F1+%E6%B1%82f%28x%29%3Dsin2x%2Btan%28x%2F2%29%E5%91%A8%E6%9C%9F2+lim%28x%5En-1%29%2F%28x-1%29+%28n%E4%B8%BA%E6%AD%A3%E6%95%B4%E6%95%B0%29x-1+3+lim%28%E6%A0%B9%E5%8F%B7%282x%2B1%29-3%29%2F%28%E6%A0%B9%E5%8F%B7%28x-2%29-%E6%A0%B9%E5%8F%B72%29x-44+lim%28%E6%A0%B9%E5%8F%B7%28x%5E2%2Bx%2B1%29-%E6%A0%B9%E5%8F%B7%28x%5E2-x%2B1%29%29x-%E6%AD%A3%E6%97%A0%E7%A9%B75+lim%7B%E6%A0%B9%E5%8F%B7%5B%28x%2Bp%29%28x%2Bq%29%5D-x%7Dx-%E6%AD%A3%E6%97%A0%E7%A9%B76+lim%28x%5E2%2B1%29)
谁能帮我解几道极限的题目?1 求f(x)=sin2x+tan(x/2)周期2 lim(x^n-1)/(x-1) (n为正整数)x-1 3 lim(根号(2x+1)-3)/(根号(x-2)-根号2)x-44 lim(根号(x^2+x+1)-根号(x^2-x+1))x-正无穷5 lim{根号[(x+p)(x+q)]-x}x-正无穷6 lim(x^2+1)
谁能帮我解几道极限的题目?
1 求f(x)=sin2x+tan(x/2)周期
2 lim(x^n-1)/(x-1) (n为正整数)
x-1
3 lim(根号(2x+1)-3)/(根号(x-2)-根号2)
x-4
4 lim(根号(x^2+x+1)-根号(x^2-x+1))
x-正无穷
5 lim{根号[(x+p)(x+q)]-x}
x-正无穷
6 lim(x^2+1)(3+cosx)/(x^3+x)
x-无穷
7 lim(1/(x+1)+1/(x^2-1))
x--1
8 lim(sinx^2-x)/[((cosx)^2)-x]
x-无穷
谁能帮我解几道极限的题目?1 求f(x)=sin2x+tan(x/2)周期2 lim(x^n-1)/(x-1) (n为正整数)x-1 3 lim(根号(2x+1)-3)/(根号(x-2)-根号2)x-44 lim(根号(x^2+x+1)-根号(x^2-x+1))x-正无穷5 lim{根号[(x+p)(x+q)]-x}x-正无穷6 lim(x^2+1)
1 2*pi
2 n
3 (2根号2)/3
4 1
5 (p+q)/2
6 0
7 无穷
8 1
1,忘了,是高中的,公式忘记了!
2,是0吧! lim0是什么,忘记了!
3,同上,这些就是把极限值带入算出就是了
4,
5
6
7
8
烦死了!