Algebrahard · Past Paper
Find the HCF of x^2 - 4, x^2 - 5x + 6, and x^2 - 4x + 4.
Ax - 2
Bx + 2
Cx - 3
D1
✓ Correct Answer: A — x - 2
Factors: (x-2)(x+2), (x-2)(x-3), (x-2)^2. Common factor is (x-2).
Share this question
More from Algebra
- If (x - 1) and (x + 2) are factors of x^3 + ax^2 + bx - 2, find a and b.
- The larger of two supplementary angles exceeds the smaller by 18 degrees. Find the angles.
- Two numbers are in ratio 5:6. If 8 is subtracted from each, the ratio becomes 4:5. Find the numbers.
- A pen and a notebook cost Rs 45. The notebook costs twice as much as the pen. Price of pen?
- The area of a rectangle remains same if length is increased by 7 and breadth decreased by 3, or length decreased by 7 and breadth increased by 5. Find length.