Get Answers to all your Questions

header-bg qa

Which of the following is binomial?

Option: 1

(y+1)(y-1)


Option: 2

x^2+x-1


Option: 3

x^3


Option: 4

None of the above


Answers (1)

best_answer

 

 

Degree of a term -

\begin{array}{|l|l|l|l|} \hline \text { Polynomial } & b+1 & 4 y^{2}-7 y+2 & 5 x^{5}-4 x^{4}+x^{3}+8 x^{2}-9 x+1 \\ \hline \text { Monomial } & 5 & 4 b^{2} & -9 x^{3} \\ \hline \text { Binomial } & 3 a-7 & y^{2}-9 & 17 x^{3}+14 x^{2} \\ \hline \text { Trinomial } & x^{2}-5 x+6 & 4 y^{2}-7 y+2 & 5 a^{4}-3 a^{3}+a \\ \hline \end{array}

-

(y-1)(y+1)=y^2-y+y-1=y^2-1

Posted by

shivangi.shekhar

View full answer