Sách Toán – Học Toán – Đề Thi Toán https://booktoan.com Học toán, Đề thi toán, Sách giáo khoa Toán, trắc nghiệm Toán online Tue, 18 Jul 2023 12:25:17 +0000 vi hourly 1 https://wordpress.org/?v=7.1.3 Cho tứ diện \(ABCD\), trên các cạnh \(BC,\,\,BD,\,\,AC\) lần lượt lấy các điểm \(M,\,\,N,\,\,P\) sao cho \(BC = 3BM,\,\,BD = \dfrac{3}{2}BN,\,\,AC = 2AP\). Mặt phẳng \(\left( {MNP} \right)\) chia khối tứ diện \(ABCD\) thành 2 phần có thể tích là \({V_1},\,\,{V_2}\) https://booktoan.com/cho-tu-dien-abcd-tren-cac-canh-bcbdac-lan-luot-lay-cac-diem-mnp-sao-cho-bc-3bmbd-dfrac32bnac-2ap-mat-phang-left-m.html https://booktoan.com/cho-tu-dien-abcd-tren-cac-canh-bcbdac-lan-luot-lay-cac-diem-mnp-sao-cho-bc-3bmbd-dfrac32bnac-2ap-mat-phang-left-m.html#respond Fri, 27 May 2022 12:15:52 +0000 https://booktoan.com/?p=194816 https://booktoan.com/cho-tu-dien-abcd-tren-cac-canh-bcbdac-lan-luot-lay-cac-diem-mnp-sao-cho-bc-3bmbd-dfrac32bnac-2ap-mat-phang-left-m.html/feed 0 Cho hàm số \(f\left( x \right)\) liên tục trên \(\mathbb{R}\) và thỏa mãn \(f\left( x \right) = f\left( {5 – x} \right),\forall x \in \mathbb{R}\).Biết \(\int\limits_2^3 {f\left( x \right)} dx = 2\). Tính \(I = \int\limits_2^3 {xf\left( x \right)} dx\). https://booktoan.com/cho-ham-so-fleft-x-right-lien-tuc-tren-mathbbr-va-thoa-man-fleft-x-right-fleft-5-x-rightforall-x-in-mathbbr-biet-intlimits_23-fleft-x.html https://booktoan.com/cho-ham-so-fleft-x-right-lien-tuc-tren-mathbbr-va-thoa-man-fleft-x-right-fleft-5-x-rightforall-x-in-mathbbr-biet-intlimits_23-fleft-x.html#respond Fri, 08 Apr 2022 15:37:46 +0000 https://booktoan.com/?p=194410 https://booktoan.com/cho-ham-so-fleft-x-right-lien-tuc-tren-mathbbr-va-thoa-man-fleft-x-right-fleft-5-x-rightforall-x-in-mathbbr-biet-intlimits_23-fleft-x.html/feed 0 Cho \(f\left( x \right)\)có \(f\left( 0 \right) = 1\)và \(f\left( {\frac{\pi }{4}} \right) = \frac{\pi }{8}\) và \(f’\left( x \right) = \frac{{4m}}{\pi } + {\sin ^2}x\) (với \(m\) là tham số ). Tính \(\int\limits_0^\pi  {f\left( x \right)} {\rm{dx}}\) ? https://booktoan.com/cho-fleft-x-rightco-fleft-0-right-1va-fleft-fracpi-4-right-fracpi-8-va-fleft-x-right-frac4mpi-sin-2x-voi.html https://booktoan.com/cho-fleft-x-rightco-fleft-0-right-1va-fleft-fracpi-4-right-fracpi-8-va-fleft-x-right-frac4mpi-sin-2x-voi.html#respond Fri, 08 Apr 2022 14:46:50 +0000 https://booktoan.com/?p=194406 https://booktoan.com/cho-fleft-x-rightco-fleft-0-right-1va-fleft-fracpi-4-right-fracpi-8-va-fleft-x-right-frac4mpi-sin-2x-voi.html/feed 0