12

69

75

62

$\frac{5}{2}$

5

$\infty$

3

2

7

5

$\frac{u^2}{2g}$

$\frac{u^2}{4g}$

$\frac{u^2}{8g}$

$\frac{u^2}{16g}$

{7}

$\varphi$

{6}

$\frac{1}{15}$

$\frac{36}{65}$

$\frac{1}{2}$

$\frac{8}{15}$

$\left[\begin{array}{cc}-1& -3\\ -4& 2\end{array}\right]$

$\left[\begin{array}{cc}3& -1\\ 2& 4\end{array}\right]$

$\left[\begin{array}{cc}1& 0\\ 0& 1\end{array}\right]$

$\frac{1}{10}\left[\begin{array}{cc}-1& 3\\ -4& 2\end{array}\right]$

$(-\infty , 1)$

(1. 2)

[1, 2]

$[2, \infty )$

$(2, +\infty )$

[0, 2]

[0. 2)

[2 ,0]

(2, 3) এবং 4

(2, 3) এবং 5

(2, -3) এবং $2\sqrt{5}$

(2, 3) এবং $2\sqrt{5}$

$x^{4 }+ 2x^2 + 1$

$x^{4 }- 2x^2 + 1$

$x^{4 }- x^2 + 1$

$x^{4 }- 2x - 3$

$2\cos ecA$

$2\tan \frac{A}{2}$

2cotA

2secA

$x^{2 }+ 6x - 13 =0$

$x^{2 }+ 6x + 9 =0$

$x^{2 }+ 6x + 13 =0$

$x^{2 }- 6x + 13 =0$

$a^3$

$a^{\frac{13}{4}}$

$a^{\frac{15}{4}}$

$a^{\frac{11}{4}}$

$\frac{3\sqrt{3}}{14}$

$-\frac{3\sqrt{3}}{14}$

$\pm \frac{3\sqrt{3}}{14}$

$\pm \frac{3\sqrt{3}}{13}$

x - 2y - 6 =0

x + 2y - 6 =0

x + 2y + 6 =0

x - 2y + 6 =0

$3\sqrt{2}$

$4\sqrt{3}$

$3\sqrt{3}$

$2\sqrt{3}$

$1 + 2e^{2x}$

$1 + e^{2x}$

$1 +\frac{1}{2} e^{2x}$

$x^2 + e^{2x}$

$e^y$

$e^x$

$\frac{1}{x}$

$\frac{1}{y}$

x

2x

3x

4x