1. m = σ2 =2
2. m = 1 , σ2 =2
3. m = σ2 =1
4. m =2 , σ2 =1
m = σ<sup>2</sup> =1<br>
1. 1/3
2. 1/2
3. 2/3
4. 3/4
1/3
1. 80
2. 84
3. 90
4. -84
84
1. √5X2 - 4XY+Y2 = r2
2. X2 + 2XY - √5Y2 = r2
3. X2 - Y2 = r2
4. X2 + Y2 = r2
X<sup>2</sup> + Y<sup>2 </sup>= r<sup>2</sup>
1. 0
2. A
3. -A
4. 1
-A
1. 4π
2. 3π
3. 2π
4. π
π
1. |A|n
2. |A|n+1
3. |A|n-1
4. |A|n+2
|A|<sup>n-1</sup>
1. (7,-4)
2. (15,-10)
3. (1/7 , 8/7)
4. (0 , 5/4)
(15,-10)
1. 2x - 3y +1 =0
2. 2x - 3y +3 =0
3. 2x-3y+5 = 0
4. 2x - 3y +7 =0
2x - 3y +7 =0
1. 0
2. 1
3. 4 log e
4. 5 log e
0