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JEE Main Mathematics question

MathematicsPermutations and CombinationsJEE Main

There are books on Albegra and Calculus in one library. For the greatest number of selections each of which consists of books on each topic possible number of Algebra books are then the value of is

Answer: 5

Solution

With Algebra books and Calculus books, the number of selections is . is symmetric about , and

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Question ID VK-020725