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Question

Find the product of all the roots for the equation 3x3+5x2+9x=0.
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A
0.0
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B
zero
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C
Zero
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D
00
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E
0
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Solution

Compare 3x3+5x2+9x=0 by standard form of cubic equation ax3+bx2+cx+d=0.
We have a = 3, b = 5, c = 9 and d = 0

Using the relation between roots and coefficients, we get
Product of the roots αβγ=da=0

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