How many different numbers between 100 and 1000 can be formed using digits 0,1,2,3,4,5,6 assuming that in any number the digits are not repeated. also find how many number be divisible by 5
If m and n are the roots of the equation x^2-6x+2=0 find the value of 1/n -1/m
A union bracket B intersect c bracket close is equal to bracket a union b bracket close intersect a union see