What is the coefficient of x2 in the polynomial π6x2−3x+4?
Write the coefficient of x2 in each of the following.
(i) 17 - 2x + 7x2
(ii) 9 - 12x + x3
(iii) π6x2 - 3x + 4
(iv) √3 x - 7
What is the coefficient of x2 in the polynomial 5x3−4x2+3x+10 ?