MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Discrete Mathematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the middle term in the expansion of (x/2 + 6y)8? |
| A. | 45360x<sup>4</sup> |
| B. | 34210x<sup>3</sup> |
| C. | 1207x<sup>4</sup> |
| D. | 3250x<sup>5</sup> |
| Answer» B. 34210x<sup>3</sup> | |
| 2. |
Determine the 7th term in the expansion of (x-2y)12. |
| A. | 6128y<sup>7</sup> |
| B. | 59136y<sup>6</sup> |
| C. | 52632x<sup>6</sup> |
| D. | 39861y<sup>5</sup> |
| Answer» C. 52632x<sup>6</sup> | |
| 3. |
Find the coefficient of x7 in (x+4)9. |
| A. | 523001 |
| B. | 428700 |
| C. | 327640 |
| D. | 129024 |
| Answer» E. | |
| 4. |
Evaluate the expression (y+1)4 (y-1)4. |
| A. | 3y<sup>2</sup> + 2y<sup>5</sup> |
| B. | 7(y<sup>4</sup> + y<sup>2</sup> + y) |
| C. | 8(y<sup>3</sup> + y<sup>1</sup>) |
| D. | y + y<sup>2</sup> + y<sup>3</sup> |
| Answer» D. y + y<sup>2</sup> + y<sup>3</sup> | |
| 5. |
By the expression ( left( frac{x}{3} + frac{1}{x} right)^5 ), evaluate the middle term in the expression. |
| A. | 10*(x<sup>5</sup>) |
| B. | ( frac{1}{5}*( frac{x}{4}) ) |
| C. | 10*( ( frac{x}{3} )) |
| D. | 6*(x<sup>3</sup>) |
| Answer» D. 6*(x<sup>3</sup>) | |