JEE MAIN - Mathematics Hindi (2022 - 24th June Morning Shift - No. 14)

एकैकी फलनों $$f:\{\mathrm{a}, \mathrm{b}, \mathrm{c}, \mathrm{d}\} \rightarrow\{0,1,2, \ldots, 10\}$$, जिनके लिए $$2 f(\mathrm{a})-f(\mathrm{~b})+3 f(\mathrm{c})+f(\mathrm{~d})=0$$ है, की संख्या है ______________ |
Answer
31

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