which topics i must concentrate more regarding maths,physics&chemistry

in maths focus on complex number,binomial,quadratic,circle,parabola,vectors and 3D.

in physics focus on electrostat,modern physics, mechanics.

in chemistry physical should be the focus.

for maths u must be strong at calculus especially maxima & minima,differential eqs. and in algebra permutations and combinations must be strong as p&c link directly with probability and matrices & determinants

for physics optics especially wave optics ,modern physics(x-ray),mechanics(rotation) must be strong

for chemistry organic chemistry ,equilibrium must be strong