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Q3. Check whether $7 + 3x$ is a factor of $3x^3 + 7x.$ .

Answers (1)

R Riya

When we divide   $3x^3 + 7x$ by $7 + 3x$ .

We can also write   $3x^3 + 7x$ as   $3x^3 +0x^2+ 7x$

By long division method, we will get

Since the remainder is not equal to 0

Therefore,   $7 + 3x$ is not a factor of   $3x^3 + 7x$

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