Discover Questions

If f(x) is differentiable for all of x find the value of a and b : f(x)=cos (x) if x<0 =ax+b If x>or equal to zero? Given that mx2 + 3nx+4m=0 has equal roots, m and n are positive. find the ratio of m:n and solve the equation? Find the derivative y=x^4Inx-1/3x^3? If 29.5 grams of hydrogen peroxide (H2O2) react to form 15.6 grams of water, how many grams of oxygen must simultaneously be formed? The middle term of (y^2 - 1/2)^8 is 35y^8/4. Is this true or false?