Sách Toán – Học Toán – Đề Thi Toán

Sách Toán – Học Toán – Đề Thi Toán https://booktoan.com Học toán, Đề thi toán, Sách giáo khoa Toán, trắc nghiệm Toán online Mon, 21 Sep 2026 13:32:28 +0000 vi hourly 1 https://wordpress.org/?v=7.1.3 Mệnh đề nào sau đây đúng về tính chẵn, lẻ của hàm số $y = f(x) = x\sin 2x + \cos x$? https://booktoan.com/menh-de-nao-sau-day-dung-ve-tinh-chan-le-cua-ham-so-y-fx-xsin-2x-cos-x.html https://booktoan.com/menh-de-nao-sau-day-dung-ve-tinh-chan-le-cua-ham-so-y-fx-xsin-2x-cos-x.html#respond Mon, 21 Sep 2026 13:32:28 +0000 https://booktoan.com/menh-de-nao-sau-day-dung-ve-tinh-chan-le-cua-ham-so-y-fx-xsin-2x-cos-x.html https://booktoan.com/menh-de-nao-sau-day-dung-ve-tinh-chan-le-cua-ham-so-y-fx-xsin-2x-cos-x.html/feed 0 Đề: Xét tính chẵn lẻ của các hàm sốa) $y=\cos x.\sin 2x$b) $y=\frac{\cot x}{1+\sin ^{2}x}$ https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-soa-ycos-x-sin-2xb-yfraccot-x1sin-2x.html https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-soa-ycos-x-sin-2xb-yfraccot-x1sin-2x.html#respond Sun, 15 Mar 2020 06:37:34 +0000 https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-soa-ycos-x-sin-2xb-yfraccot-x1sin-2x.html https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-soa-ycos-x-sin-2xb-yfraccot-x1sin-2x.html/feed 0 Đề: Xét tính chẵn, lẻ của các hàm sốa) $y=\tan x+\sin 2x$b) $y=\cos x+ \sin ^{2}x$ https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-soa-ytan-xsin-2xb-ycos-x-sin-2x.html https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-soa-ytan-xsin-2xb-ycos-x-sin-2x.html#respond Sat, 14 Mar 2020 07:42:23 +0000 https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-soa-ytan-xsin-2xb-ycos-x-sin-2x.html https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-soa-ytan-xsin-2xb-ycos-x-sin-2x.html/feed 0 Đề: Cho hàm số :$y = f(x) = x^4 – m(m – 1)x^3 + x^2 + mx + m^2$Định $m$ để $f$ là hàm số chẵn. https://booktoan.com/de-cho-ham-so-y-fx-x4-mm-1x3-x2-mx-m2dinh-m-de-f-la-ham-so-chan.html https://booktoan.com/de-cho-ham-so-y-fx-x4-mm-1x3-x2-mx-m2dinh-m-de-f-la-ham-so-chan.html#respond Fri, 13 Mar 2020 13:46:09 +0000 https://booktoan.com/de-cho-ham-so-y-fx-x4-mm-1x3-x2-mx-m2dinh-m-de-f-la-ham-so-chan.html https://booktoan.com/de-cho-ham-so-y-fx-x4-mm-1x3-x2-mx-m2dinh-m-de-f-la-ham-so-chan.html/feed 0 Đề: Xét tính chẵn, lẻ của các hàm số :$a) f(x) = x + tanx + sinx$ $b$) $f(x) = \frac{{\left| {x – 1} \right|cosx}}{{\sqrt {{{\left( {x – 1} \right)}^2}} }}$$c)$ $f(x) = \frac{{\sqrt {{x^2} + x + 1} + \sqrt {{x^2} – x + 1} }}{{{x^2}}}$ https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-so-a-fx-x-tanx-sinx-b-fx-fracleft-x-1-rightcosxsqrt-left-x.html https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-so-a-fx-x-tanx-sinx-b-fx-fracleft-x-1-rightcosxsqrt-left-x.html#respond Mon, 09 Mar 2020 14:38:09 +0000 https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-so-a-fx-x-tanx-sinx-b-fx-fracleft-x-1-rightcosxsqrt-left-x.html https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-so-a-fx-x-tanx-sinx-b-fx-fracleft-x-1-rightcosxsqrt-left-x.html/feed 0 Đề: Xác định tính chẵn, lẻ của các hàm số sau:a) $y=(x-1)^{2}$b) $y=x^{2}+x$ https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yx-12b-yx2x.html https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yx-12b-yx2x.html#respond Sat, 07 Mar 2020 11:01:48 +0000 https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yx-12b-yx2x.html https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yx-12b-yx2x.html/feed 0 Đề: Xét tính chẵn, lẻ của các hàm số sau :$a) f(x) = sinx + cosx$ $b) f(x) = 0$$c) f(x) = 2xsinx $ $d) f(x) = 2$ https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-so-sau-a-fx-sinx-cosx-b-fx-0c-fx-2xsinx.html https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-so-sau-a-fx-sinx-cosx-b-fx-0c-fx-2xsinx.html#respond Tue, 03 Mar 2020 14:20:14 +0000 https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-so-sau-a-fx-sinx-cosx-b-fx-0c-fx-2xsinx.html https://booktoan.com/de-xet-tinh-chan-le-cua-cac-ham-so-sau-a-fx-sinx-cosx-b-fx-0c-fx-2xsinx.html/feed 0 Đề: Xác định tính chẵn lẻ của các hàm số sau:a) $y=x(|x|-4)$b) $y=2x^{2}-3|x|+8$ https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yxx-4b-y2x2-3x8.html https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yxx-4b-y2x2-3x8.html#respond Tue, 03 Mar 2020 06:34:26 +0000 https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yxx-4b-y2x2-3x8.html https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yxx-4b-y2x2-3x8.html/feed 0 Đề: Xác định tính chẵn, lẻ của các hàm số sau:a) $y=|x+2|-|x-2|$b) $y=|2x+1|+|2x-1|$ https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yx2-x-2b-y2x12x-1.html https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yx2-x-2b-y2x12x-1.html#respond Sun, 01 Mar 2020 04:04:41 +0000 https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yx2-x-2b-y2x12x-1.html https://booktoan.com/de-xac-dinh-tinh-chan-le-cua-cac-ham-so-saua-yx2-x-2b-y2x12x-1.html/feed 0