the video lecture contains the square root of a complex number. Mr Ramesh Chandra has explained the square root of a complex number by three different ways by its requirements.
1) Traditional Method for CBSE, ICSE or HSC board of class 11
2) Using pythagorean triplet or formula
3) Short trick formula for competitive exams like
jee main, iit jee advanced, mhcet, bitsat, nda and boards exam.
There are some solved examples of complex numbers as well.
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Very good video ❤