InterviewSolution
Saved Bookmarks
| 1. |
Solve: (x + 2)2 = ?1. x2 + 8x2. x + 4 + 4x23. x + 44. x2 + 4x + 4 |
|
Answer» Correct Answer - Option 4 : x2 + 4x + 4 Formula used: (a + b)2 = a2 + b2 + 2ab Calculation: ⇒ (x + 2)2 = ? ⇒ x2 + 4 + 2 × x × 2 = ? ⇒ x2 + 4 + 4x = ? ∴ The value of ? is x2 + 4x + 4 |
|