SOLUTION: (a)x^4+3x^2+1 and (b)4-x^4 What is the degree of the sum of (a) and (b)?

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Question 921608: (a)x^4+3x^2+1 and (b)4-x^4 What is the degree of the sum of (a) and (b)?
Answer by MathLover1(20850) About Me  (Show Source):
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a=x%5E4%2B3x%5E2%2B1(degree 4) and b=4-x%5E4(degree 4)
a%2Bb=x%5E4%2B3x%5E2%2B1%2B4-x%5E4
a%2Bb=cross%28x%5E4%29%2B3x%5E2%2B5-cross%28x%5E4%29
a%2Bb=3x%5E2%2B5=> the degree of the sum of (a) and (b) is 2