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If (x+2) and (x-1) are factors of 2kx2 + Lx + 24, find the values of L and k.
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Step-by-step solution
4 stepsTo find the values of and , we use the Factor Theorem. The Factor Theorem states that if is a factor of a polynomial , then .
Let the given polynomial be .
Use the factor .
If is a factor, then .
Substitute into the polynomial:Divide the entire equation by 2:
Rearrange to express in terms of :
Use the factor .
If is a factor, then .
Substitute into the polynomial:Solve the system of linear equations.
Substitute equation into equation :
Substitute the value of back into equation to find .
Thus, the values are and .
Comparing this with the given options:
A. L = -12, k = -6
B. L = -2, k = 1
C. L = -2, k = -1
D. L = 0, k = 1The calculated values match option A.
The final answer is .
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