Question

Is it possible to write a trinomial having degree 9 give one example​

Answer 1

$\huge{\fbox{\fbox{\bigstar{\mathfrak{\red{ Answer-}}}}}}$

yes,it is possible

2x^7 + 3x^3 + 9

Degree is 7 as degree is the highest power of the variable

It is a trinomial as it has 3 terms

So it is a 7 degree trinomial