CRE 6 - Higher Degree Polynomials | Algebra - Quadratic Equations
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Form a cubic equation whose roots are 1, 2 and 3.
- (a)
x3 - 6x2 - 11x - 6 = 0
- (b)
x3 + 6x2 + 11x + 6 = 0
- (c)
x3 - 6x2 + 11x - 6 = 0
- (d)
x3 + 6x2 - 11x + 6 = 0
Answer: Option C
Workspace:
Find the roots of the equation: x3 – 2x2 – x + 2 = 0
- (a)
-1, 0 and 1
- (b)
-2, -1 and 1
- (c)
-1, 1 and 2
- (d)
-1, 1 and 3
Answer: Option C
Workspace:
If α, β and γ are the roots of the equation 2x3 - 3x2 - 6x + 4 = 0, then find the value of + + ?
- (a)
3/2
- (b)
1/2
- (c)
-3/2
- (d)
-1/2
- (e)
None of these
Answer: Option A
Workspace:
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