`F = 2x^(2)-3x-2`. Choose correct option.

If F = 2x^(2) - 3x -2 , then choose correct option:-

A particle id moving in xy - plane with y = x//2 and v_x = 4 - 2t . Choose the correct options.

For the function f (x)= x^(3) - 3x + 7 , choose the correct option

If f(x) = cospi(| x|+[x]) , then choose the incorrect option.

If x^(2) +y^(2) = 3xy then choose the correct answer of 2log ( x - y) form the following option :

U = 2x^(3) - 2x^(3) - 6x^(2) + 5x , where x is in metres and U is the potential energy which depends on x. Selsct the correct option.

If f(x)=[sqrt(2)sin x], where [x] represents the greatest integer function,then choose the incorrect option.

Let f(x)=cos x sin2x then choose the best option :

For the function f(x)=|x+3|-|x+1|-|x-1|+|x-3| ,Identify correct option (s)