Take a look at this Chapter..........
Principles of mathematical Induction :
http://www.ncert.nic.in/book_publishing/CLASS%2011/MATH%20XI%20%20English/Ch_04FINAL_02.01.06.pdf
Boolean Algebra :
http://flint.cs.yale.edu/cs421/papers/art-of-asm/pdf/CH02.PDF
Matrices :
http://www.geometer.org/mathcircles/Matrices.pdf
The only problem in the material is that ( ) are used instead of [ ].
Quadratic Equations:
http://www.douglas.bc.ca/services/learning-centre/pdf/math/MA7_30_Quadratic_Equations_and_Functions.pdf
(Kindly post your comments)
