What are Polynomials Polynomials means Poly( many) and nomials (terms). So it is many terms It can have any term having constants ,variable and exponents but the exponents should be whole number So all these are polynomial x+1 , 5 , 5-x, 11x –y 3 , x+y+z 1+2y+2y 2 ,1 .2 x +y , 6x-2
Polynomial continued These are not polynomial 2/x+2 x -2 Why? As the exponent is not whole number Polynomials are also classified based on number terms One term Monomial Two term Binomial Three terms trinomial
Polynomial on One variable Points to remember a n , a n-1 …………. Coefficient of x n , x n-1 n Called the degree of polynomial If S(x)=0 It is called zero polynomial If S(x) =a It is called constant polynomial If for x=a S(x)=0 a is the called zero of polynomial
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