A coin is tossed three times if head occurs on the first two tosses find the probability of getting head on third toss 

1. How to prove that any positive integer n,n^3-n is divisible by 6
   

• In line------ 4 63d 4d=5md

I am a composite dealer  showing  in sales invoice HSN code is very difficult  to me  what should i do for these risks .can I avoid this column.

7n+1:4n+27 find the term of 11 solved teachoo

7n+1:4n+27 find the term of 11 solved teachoo

7n+1:4n+27 find the term of 11 solved

show that the angle of an equilateral triangle are 60 degree each.

How to solve the inequalities graphically of 2x+y>6 and 3x+4y <_12

What is the difference between argument and principal argument?