Which of the following is a trinomial in x?
x3 + 2x
x√x + √x + 1
x3 + x2 + x
x3 + 1
X2+1/X2=38,X3-1/X3=?
limx→1{x3+2x2+x+1x2+2x+3}1−cos(x−1)(x−1)2