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Find Whether the First Polynomial is a Factor of the Second. Y − 2, 3y3 + 5y2 + 5y + 2 - Mathematics

Sum

Find whether the first polynomial is a factor of the second.

y − 2, 3y3 + 5y2 + 5y + 2

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Solution

\[\frac{{3y}^3 {+5y}^2 +5y+2}{y-2}\]
\[ = \frac{{3y}^2 (y-2)+11y(y-2)+27(y-2)+56}{y-2}\]
\[ = \frac{{(y-2)(3y}^2 +11y+27)+56}{y-2}\]
\[ {=(3y}^2 +11y+27)+ \frac{56}{y-2}\]
\[ \because \text{Remainder} = 56\]
\[ \therefore \text{(y-2) is not a factor of}\ {3y}^3 {+5y}^2 +5y+2.\]

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APPEARS IN

RD Sharma Class 8 Maths
Chapter 8 Division of Algebraic Expressions
Exercise 8.5 | Q 2.2 | Page 15
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