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Question

Find the degree of the polynomial:
4a42(3+a4ab+4b3)2a4

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Solution

Simplifying the expression,
4a42(3+a4ab+4b3)2a4
=4a462a4+2ab8b32a4
Grouping the like terms we get,
(4a42a42a4)6+2ab8b3
=(422)a46+2ab8b3
=0a46+2ab8b3
=6+2ab8b3
Hence, the given expression reduces to 6+2ab8b3
Identifying the degree of each monomial,
  1. 6=6a0 Degree=0
  2. 2ab=2a1b1 Degree=1+1=2
  3. 8b3 Degree=3
Among these monomials, maximum degree is 3. Hence, the degree of the polynomial is 3.

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