Register
Filter

Recent activity by Phalkey

5 answers
4
GATE CSE 2014 Set 3 | Question: 15
The length of the shortest string NOT in the language (over $\Sigma = \{a, b\})$ of the following regular expression is _______. $a^*b^*(ba)^*a^*$
The length of the shortest string NOT in the language (over $\Sigma = \{a, b\})$ of the following regular expression is _______.$$a^*b^*(ba)^*a^*$$
3 answers
5
GATE CSE 1998 | Question: 1.23
How many sub strings of different lengths (non-zero) can be formed from a character string of length $n$? $n$ $n^2$ $2^n$ $\frac{n(n+1)}{2}$
How many sub strings of different lengths (non-zero) can be formed from a character string of length $n$?$n$$n^2$$2^n$$\frac{n(n+1)}{2}$
0 answers
6
Korth
12.3... anyone could solve for joins
12.3... anyone could solve for joins
1 answer
12
gate-08
what are the attributes of all the minimum tables formed??
what are the attributes of all the minimum tables formed??
0 answers
14
gate 15 set-2
int fun(int n) { int x=1,k; if(n==1) return x; for(k=1;k<n;++k) x=x+fun(k)*fun(n-k) return x; } return value of fun(5)??? how to solve this using tree method approach???
int fun(int n){int x=1,k;if(n==1) return x;for(k=1;k<n;++k)x=x+fun(k)*fun(n-k)return x;}return value of fun(5)??? how to solve this using tree method approach???
0 answers
15
BOOK korth relational model
differnce between . year≥2009(takes) join student year≥2009(takes join student) with example
differnce between .year≥2009(takes) join studentyear≥2009(takes join student)with example