: com net

# :

1. ## :

$Q61)9^{\left | x+3 \right |}=\sqrt{9}^{-2x+1}$

$Q62)2^{2-4x} \sqrt{9}^{6x-3}=1$

2. ## The Following User Says Thank You to For This Useful Post:

(12-02-2017)

4. ## The Following 3 Users Say Thank You to For This Useful Post:

(12-02-2017),  (11-30-2017),  (12-01-2017)

6. ## The Following 2 Users Say Thank You to Nuha Ahmed For This Useful Post:

(12-02-2017),  (12-01-2017)

7. ## :

[
URL="http://alnasiry.net/forums"][/URL]

8. ## The Following User Says Thank You to Nuha Ahmed For This Useful Post:

(12-01-2017)

9. ## :

$Q63)solve .in. [0,2\pi ]:log_{sinx}cosx=1$

10. ## The Following 2 Users Say Thank You to For This Useful Post:

(12-25-2017),  (01-05-2018)

12. ## The Following User Says Thank You to . For This Useful Post:

(01-05-2018)

14. ## The Following 2 Users Say Thank You to For This Useful Post:

(02-14-2018),  (12-26-2017)

15. ## :

ҡ
: -

$\begin{array}{l} 1.\,\,\,0 < \cos x < 1\,\,\,\, \Rightarrow {D_1}: - \frac{\pi }{2} < x < \frac{\pi }{2}\,\,\,\,\,\,\, \\ 2.\,\,\,0 < \sin x < 1\,\,\,\, \Rightarrow {D_2}:0 < x < \frac{\pi }{2}\,\,\,\,\,\,\,or\,\,\,\,\,\frac{\pi }{2} < x < \pi \\ {D_1} \cap \,{D_2} = \left\{ {x:0 < x < \frac{\pi }{2}} \right\} \\ \end{array}$

16. ## The Following 2 Users Say Thank You to For This Useful Post:

(02-14-2018),  (02-10-2018)

17. ## :

$Q64)(26+15\sqrt{3})^{x}-5(7+4\sqrt{3})^{x}+6(2+\sqrt{3})^{x}+(2-\sqrt{3})^{x}=5$

$Q65)x^{2}-\frac{1}{2}=\sqrt{x+\frac{1}{2}}$

18. ## The Following 2 Users Say Thank You to For This Useful Post:

(01-06-2018),  (01-05-2018)

20. ## The Following User Says Thank You to For This Useful Post:

(01-06-2018)

21. ## :

$Q66)x^{log_{7}4}+5(2^{log_{7}x})-4=0$

22. ## :

$Q67)\left \lfloor x+y+4 \right \rfloor=18-y$
$\left \lfloor x+1 \right \rfloor+\left \lfloor y-1 \right \rfloor=18-x-y$

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