Test Mode Reading Mode Right = 0 Wrong = 0
-2i
2i
-2
3x + 7y -13 =0
7x - 3y -11 =0
7x + 3y -17 =0
7x -3y -2=0
x2+y2-4x+4y+90  =0  
      x2+y2-4x+4y-90=0    
x2+y2 +4x -4y -90 =0
  x2+y2-4x-4y+90=0
3/2 sq. units
-3/2 sq. units
-2/3 sq. units
2/3 sq. units
1
৩/৫
5/3
4/5
Created: 3 months ago | Updated: 12 hours ago
1
2
1/2
2x2+7
7x2+2
x2+2x-1
x2-2x+ 3
Created: 3 months ago | Updated: 12 hours ago
x2+a2 
11+x2+a2  
     1+x2+a2
1x2+a2
Created: 3 months ago | Updated: 1 day ago
2x+3y3x+10y
   2x-3y3x+10y
  -2x+3y3x+10y 
Created: 3 months ago | Updated: 1 day ago
    3+122
 322
    -322
3-122
Created: 3 months ago | Updated: 23 hours ago
 π2
3π2
3π4 
π3
30° 
   45°
     60°   
 135°
1
1
x < 1 or x >2
1 < x <2
4 or -5
5 or -4
3
১০
-4, 6
-6, 4
4,6
-6,-4
x2+x+7=0
x2-x+7=0
x2+x-7=0
x2-x-7=0
10110101
10010111
10101101
11010011
Created: 4 months ago | Updated: 2 days ago
 tanx1n(cos2x) +c 
 sin x tanx+c
 2tanx+c 
        23 (tanx)3/2 +c 
Created: 4 months ago | Updated: 2 days ago
      12
π2
1
 π2
6
5
2827  
    2728
1
3
Created: 4 months ago | Updated: 1 day ago
      sin(ex)  + c
 tan(xex) + c
   cos(xex) +c  
cot (xex) +c