Write the coefficients of `x^2` in each of the following:
(i) `2+x^2+x`
(ii) `2-x^2+x^3`
(iii) `pi/2-x^2+x^3`
(iv) `sqrt2x-1`

Write the coefficients of x^2 in each of the following: sqrt(2x)-1

Write the coefficient of x^2 in each of the following (2x-5)(2x^2-3x+1)

Write the coefficients of x^(2) in each of the following : sqrt(2)x-1

Write the coefficient of x^2 in each of the following: (i) 17-2x+7x^2 (ii) 9-12 x+x^3

Write the coefficients of x^2 in each of the following: (i) 2+x^2+x (ii) 2-x^2+x^3 (iii) pi/2x^2+x (iv) sqrt(2)x-1

Write the coefficients of x^(2) in each of the following : (i) 2+x^(2)+x (ii) 2-x^(2)+x^(3) (iii) (pi)/(2)x^(2)+x (iv) sqrt(2)x-1

Write the coefficients of x^2 in each of the following:(i) 2+x^2+x (ii) 2-x^2+x^3 (iii) pi/2x^2+x (iv) sqrt(2)x-1

Write the coefficient of x^2 in the following: (i) -3x^2 (ii) 5x^2y z

Write the coefficient of x^2 in each of the following: (i) pi/6x^2-3x+4 (ii) sqrt(3)\ x-7

Write the coefficient of x ^(2) in each of the following (i) 15 - 3x + 2x ^(2) (ii) 1- x^(2) (iii) pi x ^(2) - 3x + 5 (iv) sqrt2 x ^(2) + 5x -1