Question 1 |

Let p,q, r, s represent the following propositions.

p: x\in{8,9,10,11,12}

q: x is a composite number

r: x is a perfect square

s: x is a prime number

The integer x\geq2 which satisfies \neg((p\Rightarrow q)\wedge (\neg r \vee \neg s)) is ________.

p: x\in{8,9,10,11,12}

q: x is a composite number

r: x is a perfect square

s: x is a prime number

The integer x\geq2 which satisfies \neg((p\Rightarrow q)\wedge (\neg r \vee \neg s)) is ________.

9 | |

10 | |

11 | |

12 |

Question 1 Explanation:

Question 2 |

Let a_{n} be the number of n-bit strings that do NOT contain two consecutive 1s. Which one of the following is the recurrence relation for a_{n}?

a_{n}=a_{n-1}+2a_{n-2} | |

a_{n}=a_{n-1}+a_{n-2} | |

a_{n}=2a_{n-1}+a_{n-2} | |

a_{n}=2a_{n-1}+2a_{n-2} |

Question 2 Explanation:

Question 3 |

\lim_{x\rightarrow 4}\frac{sin(x-4)}{x-4}=_________.

0 | |

1 | |

2 | |

4 |

Question 3 Explanation:

Question 4 |

A probability density function on the interval [a,1] is given by 1/x^{2}
and outside this interval the value of the function is zero.The value of a is __________.

0.25 | |

0.5 | |

0.75 | |

1 |

Question 4 Explanation:

Question 5 |

Two eigen values of a 3x3 real matrix P are (2+\sqrt{-1}) and 3.The determinantof P is __________.

9 | |

15 | |

6 | |

30 |

Question 5 Explanation:

There are 5 questions to complete.

pls check question number 20

Which of the following is NOT a superkey in a relational schema with attributes V,W,X,Y,Z and primary key” VY”- note?

VXYZ

VWXZ

VWXY

vwxyz

answer : b