Question:
Degree of the polynomial $4 x^{4}+0 x^{3}+0 x^{5}+5 x+7$ is
(a) 4
(b) 5
(c) 3
(d) 7
Solution:
(a) Degree of $4 x^{4}+0 x^{3}+0 x^{5}+5 x+7$ is equal to the highest power of variable $x$. Here, the highest power of $x$ is 4 ,
Hence, the degree of a polynomial is 4 .