Test Mode Reading Mode Right = 0 Wrong = 0
c=0
b not = o
b =c=0
c not = o
 tan-1(-74)  
   tan-1(-47)    
   tan-1(74) 
 tan-1(-34)
    (10011010110)2
   (10010101001)2   
 (10011010001)2  
 (101010101)2
 52 
    25 
 15
Created: 4 months ago | Updated: 1 day ago
30°
  140°
    60° 
90°
Created: 4 months ago | Updated: 1 day ago
n(2n+1)
n(n-1)(2n+1)6
   n2(2n2-1)  
    n(2n-1)6
-2i
2i
2
90°
0°
45°
180°
3x2 + 2x +1 = 0
3x2 - 2x -1 = 0
3x2 + 2x -1 = 0
3x2 - 2x +1 = 0
x-1
x1/3-1
x3+1-1
x-13
Created: 4 months ago | Updated: 3 days ago
x0
1x
0x1
x0  x0 অথবা 1x 
12x - 5y =0
12x + 5y = 0
5x -12y = 0
5x +12y = 0
Created: 4 months ago | Updated: 23 hours ago
an+1n+1
nan-1
an
c2 = 4b
b = c2
b2 = 4c
b = c
Created: 4 months ago | Updated: 23 hours ago
1
π2
π4
2nπ
(2n+1)π
(2n-1)π
কোনোটিই নয়
0°
30°
45°
90°
20
৩৪
২৮
২২
tan(bx + c)
btan(bx+c)
ctan(bx+c)
bsc(bx+c)
11+x
1+x2
11-x2
11-x
Created: 4 months ago | Updated: 6 hours ago
৩১
৩২
৩৩
অসীম
Created: 4 months ago | Updated: 3 days ago
π
1
π2
π2
-π
π
-π2
১টি
২টি
৩টি
৪টি
বর্গ ম্যাট্রিক্স
স্কেলার ম্যাট্রিক্স
অভেদক ম্যাট্রিক্স
শূন্য ম্যাট্রিক্স
1
5
১০
6
π
2π
π2
2π
12
13
12
32
Created: 4 months ago | Updated: 3 days ago
cos-1(1-2x2)
cos-1(3x-2x3)=
cos-1(2x2-1)
cos-1(4x3-3x)
Created: 4 months ago | Updated: 3 days ago
32
12
3
13
Created: 4 months ago | Updated: 3 days ago
56
1
π4
-56
4
2
(4n+1)π8
(4n+1)π2
Created: 4 months ago | Updated: 3 days ago
12x
12x
12Inx
2x
Created: 4 months ago | Updated: 22 hours ago
1-32
±(1-32)
1-3-2
±(1-3-1)
±(1+3-1)
Created: 4 months ago | Updated: 22 hours ago
x=y=z=0
x=0, y=-b,z=c
x=y=z=a2
x=a, y=-a, z=0
x=1, y=1, z=-1c
129(2i¯+3j¯+4k)¯
429(2i¯+3j¯+4k)¯
429(4i¯+3j¯+2k)¯
429(-4i¯+3j¯+2k)¯
429(-4i¯+3j¯-2k)¯