The number of one-one function f : {a, b, c, d}→ {0, 1, 2, … .,10}

1.	The number of one-one function f : {a, b, c, d}→ {0, 1, 2, … .,10} such that 2f(a) – f(b) + 3f(c) + f(d) = 0 is ______
Answer» 2f(a) + 3f(c) = f(d) - f(b) Using fundamental principle of counting Number of one-one function is 31

The number of one-one function f : {a, b, c, d}→ {0, 1, 2, … .,10} such that 2f(a) – f(b) + 3f(c) + f(d) = 0 is ______

Answer»

2f(a) + 3f(c) = f(d) - f(b)

Using fundamental principle of counting

Number of one-one function is 31

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The number of one-one function f : {a, b, c, d}→ {0, 1, 2, … .,10} such that 2f(a) – f(b) + 3f(c) + f(d) = 0 is ______

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