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Question

State true or false:
x=2 is a root of 2x3+x27x6.

A
True
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B
False
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Solution

The correct option is A True
p(x)=2x3+x27x6.
Then, p(2)=2(2)3+(2)27(2)6=16+4146=0.
Hence, x=2 is a root of p(x).
Therefore, it is true and option A is correct.

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