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Two polynomials are added:
$A = 3 x^{4} + 2 x^{2}$ and $B = - 3 x^{4} + x + 5$ .
What is the degree of $A + B$ ?

Class 9Degree and Types of PolynomialsPolynomials

A3
B2
C4
D1

Step-by-Step Solution

A + B = (3 x^{4} - 3 x^{4}) + 2 x^{2} + x + 5 = 2 x^{2} + x + 5

. The

x^{4}

terms cancel, so the degree is 2.

Answer: B) 2

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