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- 1. Multiple Choice
Find the coefficient of x3 in the expansion of (1 + x)20
1140
190
4845
8000
- 2. Multiple Choice
Find the coefficient of x4 in the expansion of (1 - x)14
1001
-1001
364
-364
- 3. Multiple Choice
Find the coefficient of x2 in the expansion of (1 + 4x)9
576
36
144
1344
- 4. Multiple Choice
Find the coefficient of y3 in the expansion of (1 - 3y)14
-9828
9828
364
-364
- 5. Multiple Choice
Find the coefficient of x4 in the expansion
495
165
6 1/9
55
- 6. Multiple Choice
Select the correct expansion of
(1 + x)4
1 + 4x + 6x2 + 4x3 + x4
x + 3x2 + 3x3 + x4
1 + 5x + 10x2 + 5x3 + x4
1 + 2x2 + x4
- 7. Multiple Choice
Select the correct expansion of
(1 - x)5
1 − 5x + 10x2 − 10x3 + 5x4 − x5
1 + 5x + 10x2 + 10x3 + 5x4 + x5
-1 + 5x - 10x2 + 10x3 - 5x4 + x5
1 − 5x + 10x2 + 10x3 + 5x4 − x5
- 8. Multiple Choice
Select the correct expansion of
(1 + 4x)3
1 + 12x + 12x2 + 4x3
1 + 12x + 48x2 + 64x3
1 + 3x + 3x2 + x3
1 + 4x + 16x2 + 64x3
- 9. Multiple Choice
Select the correct expansion of
(1 - 2y)3
1 + 6y + 12y2 + 8y3
1 − 6y + 12y2 − 8y3
1 − 3y + 3y2 − y3
1 + 3y + 3y2 + y3
- 10. Multiple Choice
Select the correct expansion
1 + 4x + 6x2 + 4x3 + x4
1 + 2x + 3/2 x2 + 1/2x3 + 1/16 x4
1 + 2x + 3x2 + 2x3 + 1/2 x4
1 + 1/2 x + 1/4 x2 + 1/8x3 + 1/16 x4
- 11. Multiple Choice
Find the expansion
x3 + x2y + xy2 + y3
x3 + 6x2y2 + y3
x3 + 6xy + y3
x3 + 3x2y + 3xy2 + y3
- 12. Multiple Choice
Find the expansion
a5 − 5a4b + 10a3b2 − 10a2b3 + 5ab4 − b5
a5 + 5a4b + 10a3b2 + 10a2b3 + 5ab4 + b5
a5 - 5a4b - 10a3b2 - 10a2b3 - 5ab4 - b5
a5 − 5ab + 10ab − 10ab + 5ab − b5
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