Question

3.
Check whether 7 + 3x is a factor of 3xcube + 7x..
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Answer 1

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QUESTION....

LET ... P(x) = 3x³ + 7x

& G(x) = 7 + 3x

When we will divide p(x) by g(x) than...as

per Remainder Theorem...

Remainder= p(-3/7)

Therefore...

p(-3/7) = 3(-3/7)³ +7(-3/7)

=> -81/343 - 3

=> (-81-1029)/343

=> -1110/343

Since

Remainder is not 0...

Therefore...G(x) is not a factor of P(x)

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Answer 2

Step-by-step explanation:

< b > < i ><b><i>

\huge \color{red} \star{Answer} \star⋆Answer⋆

QUESTION....

LET ... P(x) = 3x³ + 7x

& G(x) = 7 + 3x

When we will divide p(x) by g(x) than...as

per Remainder Theorem...

Remainder= p(-3/7)

Therefore...

p(-3/7) = 3(-3/7)³ +7(-3/7)

=> -81/343 - 3

=> (-81-1029)/343

=> -1110/343

Since

Remainder is not 0...

Therefore...G(x) is not a factor of P(x)

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