Let . Then the number of bijective functions such that…

MATHEMATICS · Single correct · CBSE · Mathematics · Permutations and Combinations · Permutations and Combinations

Problem

Let A={0,1,2,3,4,5,6,7}A=\{0,1,2,3,4,5,6,7\}. Then the number of bijective functions f:A→Af:A\to A such that f(1)+f(2)=3−f(3)f(1)+f(2)=3-f(3) is: (a) 720720 (b) 270270 (c) 470470 (d) 740740

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