Sách Toán – Học Toán – Đề Thi Toán https://booktoan.com Học toán, Đề thi toán, Sách giáo khoa Toán, trắc nghiệm Toán online Sun, 15 Mar 2020 01:48:31 +0000 vi hourly 1 https://wordpress.org/?v=7.1.2 Đề: Không dùng mấy tính và bảng số, tính gần đúng giá trị $\cos 61^{0}$ https://booktoan.com/de-khong-dung-may-tinh-va-bang-so-tinh-gan-dung-gia-tri-cos-610.html https://booktoan.com/de-khong-dung-may-tinh-va-bang-so-tinh-gan-dung-gia-tri-cos-610.html#respond Sun, 15 Mar 2020 01:48:31 +0000 https://booktoan.com/de-khong-dung-may-tinh-va-bang-so-tinh-gan-dung-gia-tri-cos-610.html https://booktoan.com/de-khong-dung-may-tinh-va-bang-so-tinh-gan-dung-gia-tri-cos-610.html/feed 0 Đề: Tính vi phân của mỗi hàm số sau : a) $ y = 2 ^{-\frac{1}{\sin x}}$                                   b) $y = \ln \left [ \tan \left ( \frac{\pi}{2}-\frac{x}{4}   \right )  \right ]$. https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-2-frac1sin-x.html https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-2-frac1sin-x.html#respond Mon, 09 Mar 2020 08:17:07 +0000 https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-2-frac1sin-x.html https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-2-frac1sin-x.html/feed 0 Tự học Bài Vi Phân – Toán 11 https://booktoan.com/tu-hoc-bai-vi-phan-toan-11.html https://booktoan.com/tu-hoc-bai-vi-phan-toan-11.html#respond Mon, 09 Mar 2020 07:04:31 +0000 https://booktoan.com/?p=172149 https://booktoan.com/tu-hoc-bai-vi-phan-toan-11.html/feed 0 Đề: Tính vi phân của mỗi hàm số sau : a) $y = \tan ^2 x$                              b) $ y = \sin x. \sin 2x $ https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-tan-2-x.html https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-tan-2-x.html#respond Mon, 09 Mar 2020 01:17:05 +0000 https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-tan-2-x.html https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-tan-2-x.html/feed 0 Đề: Tìm vi phân của các hàm số sau:a) $y=\frac{x+1}{x-2} $                                     b) $y=\frac{1}{0,5x^2} $                              c) $y=\frac{x^3+1}{x^3-1} $ https://booktoan.com/de-tim-vi-phan-cua-cac-ham-so-saua-yfracx1x-2.html https://booktoan.com/de-tim-vi-phan-cua-cac-ham-so-saua-yfracx1x-2.html#respond Mon, 09 Mar 2020 01:16:02 +0000 https://booktoan.com/de-tim-vi-phan-cua-cac-ham-so-saua-yfracx1x-2.html https://booktoan.com/de-tim-vi-phan-cua-cac-ham-so-saua-yfracx1x-2.html/feed 0 Đề: Tính vi phân của mỗi hàm số sau : a) $y = x^2 – x\sqrt{x} +x +8$                          b) $ y = \sqrt{ax+b}$ https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-x2-xsqrtx-x-8.html https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-x2-xsqrtx-x-8.html#respond Sat, 07 Mar 2020 23:35:23 +0000 https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-x2-xsqrtx-x-8.html https://booktoan.com/de-tinh-vi-phan-cua-moi-ham-so-sau-a-y-x2-xsqrtx-x-8.html/feed 0 Đề: Chứng minh rằng nếu các hàm số $ u = u(x), v = v(x)$ có đạo hàm tại điểm $x_0$ thì tại điểm đó ta có :       $d(uv) = vdu + udv$ https://booktoan.com/de-chung-minh-rang-neu-cac-ham-so-u-ux-v-vx-co-dao-ham-tai-diem-x_0-thi-tai-diem-do-ta-co-duv-vdu-udv.html https://booktoan.com/de-chung-minh-rang-neu-cac-ham-so-u-ux-v-vx-co-dao-ham-tai-diem-x_0-thi-tai-diem-do-ta-co-duv-vdu-udv.html#respond Thu, 05 Mar 2020 22:17:22 +0000 https://booktoan.com/de-chung-minh-rang-neu-cac-ham-so-u-ux-v-vx-co-dao-ham-tai-diem-x_0-thi-tai-diem-do-ta-co-duv-vdu-udv.html https://booktoan.com/de-chung-minh-rang-neu-cac-ham-so-u-ux-v-vx-co-dao-ham-tai-diem-x_0-thi-tai-diem-do-ta-co-duv-vdu-udv.html/feed 0