(D^2+2)y=e^xcosx
6 + 12x = 17 + x
Given that 2x²-kx+18 is a perfect square, find k and hence solve the equation 2x²-kx+18=0.
2x - 4 = 12x-44
GIVE A MATHEMATICAL DEFINITION OF A CONTINUOUS AND A DIFFERENTIABLE FUNCTION
4x + 16 = 14x - 64
4x = 2x + 14
2x+1 = x+4
what is the smallest prime number that can be made from the sum of three different prime numbers
