- Cos45/sec30 cosec30
. In how many ways can a student choose a programme of 5 courses if 9 courses are available and 2 specific courses are compulsory for every student?
Why do 2 specific course not get added to answer 35
how will to give treatment of interest subsidy recieved on housing loan under PMAY scheme
5. Using the principle of mathematical induction prove that, 3.6+6.9+9.12+…+3n(3n+3)=3n(n+1)(n+2)