Question

why in the a2-b2 the degree is 0 why not 2​

Answer 1

Answer:

because the man variable that is x has power 0 which is equal to 2

Answer 2

Answer:

In polynomial expressions we only consider the highest degree of the variables to be the degree of the polynomial.Normally, x,y,z are taken as variables. In a2 + b2 , a and b are considered as constants. If the equation was

$2 {x}^{2} + 3x + 5$

or

a^2x^2 + b^2x

then the degree of the polynomial is 2 as the highest degree variable x2 has the power 2.

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