7. Determine the polynomial equation whose roots are -2,
-1 and 3/2
a. 2x3 + 3x2 - 5X-6 = 0
C. 2x3 + 3x2 + 5x -6 =0
b. 2x3 - 3x2 - 5x + 6 = 0
d. 2x3 - 3x2 + 5x + 6 = 0
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Answer:
don't know the answers sorry
Answered by
1
Answer:
a. 2x3 + 3x2 - 5X-6 = 0
Step-by-step explanation:
k(X+1)(X+2)(x-3/2)= k(x^2 + 3x + 2)(x - 3/2)
put k= 2 = 2(x^2 + 3x+ 2)(x - 3/2)
= (x^2 + 3x + 2)(2x - 3)
= 2x^3 + 3 x^2 - 5x - 6
answer: a) 2x3 + 3x2 - 5X-6 = 0
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