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suppose repetation are not permited the digit is 1,2,3,4,5,7

how many such no are less than 4000?

how many such no are less than 4000?

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(A Å B) Å(C Å D) = (A Å D) Å (B Å C)

where Å is the Symmetric Difference

where Å is the Symmetric Difference

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how do i apply a maximum flow algorithm to find a flow in N* such that all arcs out of S* and T* are saturated

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complete the proof..... 1. (A -> ~B) -> (D -> ~E) 2. A -> F 3. F -> ~B 4. ~E -> G // D -> G

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Without using truth table prove that (p→q)ᴧ(q→r)→(p→r) is a tautology

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without using truth table prove that

[(p˅q)˄(p→r)˄(q→r)]→r is a tautology.

[(p˅q)˄(p→r)˄(q→r)]→r is a tautology.

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without using truth table prove that

¬(p↔q) and ¬p↔q are logically equivalent.

¬(p↔q) and ¬p↔q are logically equivalent.

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Write a sequence formula?????

1,4,9,16,25,.........

1,4,9,16,25,.........

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Use Mathematical Induction to prove the following:

(i) 1

2 + 22 + 32 + … + n

2 =

(i) 1

2 + 22 + 32 + … + n

2 =

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Q. where the concept of a function first arose? Also find that who has arosed this concept? Also describe How this concept was first used?

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