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: 2 + x^2+ x

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 coefficients of x^(2) in each of the following : 2 + x^(2) + x

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)/(2)x^(2)+x (iv) sqrt(2)x-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 (2x-5)(2x^2-3x+1)

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