When searching for the perfect "11th std maths guide," look for these three pillars:

The modulus of ( \frac1+i1-i ) is: (a) 0 (b) 1 (c) √2 (d) 2

Breaks down abstract theorems into digestible explanations.

The conjugate of ( 3 - 4i ) is: (a) -3+4i (b) 3+4i (c) -3-4i (d) 4i-3