roblem 2. Let n be a positive integer. Find the number of permutations a1, a2, ... , An the sequence 1, 2,...,n satisfying a1 < 2a2 < 3az < · < nan. ..

Q: 1 i needsss the helpss ?())?@

A: Step 1: Step 2: Step 3: Step 4:

Q: 35 (b) (5+7k) = k=D1

A:

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A:

Q: This is a mathematics question. There are 8 numbers in a sequence that add up to 250 (ex.…

A: The details are given as step 2.

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A: Introduction: There are total 100 numbers between 1 and 100. Out of these, 50 numbers are odd: 1, 3,…

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A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

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A: We will find out the required recurrence relation.

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A: we have to show that the given sequence is arithmetic

Q: What is the 20th term of the sequence 0, 3, 8, 15, 24, 35, 48, . . ? (Answer is an integer) explain…

A: Given sequence is 0, 3, 8, 15, 24, 35, 48,..... We have to find the 20th term of the given sequence.…

Q: 6. Find the 25th term of the sequence -1, 3, 9, ... -

A: The formula for nth term of a GP is given as follows where a is the first term of GP r is the common…

Set Theory

Every field in the present world involves a set. The theory of sets was developed by German mathematician Georg Cantor while working on the “problems of trigonometric series”.