Which of the following are polynomial? `a) 6xsqrt(x)-5^2+9` b)` (x^3+ 2x^-3)` c) `(x+4)/x `d) `2x^2+3x+4`

Add the following polynomials: 3x^2 +5x -4 , 8x-2x^2 +11 .

Which of the following expressions are polynomials and which are not? 2x^(4)-3x^(3)+5/x-8

Which of the following expressions are polynomials and which are not? 3x^(2/3)-5x-4x^(3)+5/2

Which of the following expressions are not polynomials? x^(2)+2x^(-2) (ii) sqrt(ax)+x^(2)-x^(3)3y^(3)-sqrt(5y)+9( iv) ax^((1)/(2))+ax+9x^(2)+43x^(-2)+2x^(-1)+4x+5

Add the following polynomials : 7x^4 - 2x^3 + x + 10 , 3x^4 + 15x^3 + 9x^2 - 8x + 2

Which of the following is a quadratic equation? a) x-3=4x^2 b) x+9=0 c) x^3+2x^2+5=0 d)None of these

on dividing a polynomial p(x) by x^2 - 4, quotient and remainder are found to be x and 3 respectively. the polynomial p(x) is a) 3 x^2 +x -12 b) x^3 -4x +3 c) x^2 +3x-4 d) x^3 -4x-3

on dividing a polynomial p(x) by x^2 - 4, quotient and remainder are found to be x and 3 respectively. the polynomial p(x) is a) 3 x^2 +x -12 b) x^3 -4x +3 c) x^2 +3x-4 d) x^3 -4x-3