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Question

If the sum of the coefficients of the polynomial ax2+3x+5 is zero, what is the value of a ?

A
-3
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B
-8
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C
5
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D
3
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Solution

The correct option is B -8
The coefficients of the polynomial are a, 3 and 5.
Given,
Their sum is 0
a + 3 + 5 = 0
a + 8 = 0
a = -8

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