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Identity (x+y)^2

Write the pol...

Question

Write the polynomial in standard form and also write down their degree.
$(z^{2} + 5) (z^{2} - 6)$

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Solution

$\to (z^{2} + 5) (z^{2} - 6) = z^{4} - z^{2} - 30$
As degree of polynomial is
the highest exponent in it
$\Rightarrow$ Degree $= 4$

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