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JEE Mains · Maths · STD 12 - 1. relation and function

एकैकी फलन \(f :\{ a , b , c , d \} \rightarrow\{0,1,2, \ldots, 10\}\) की संख्या, ताकि \(2 f ( a )- f ( b )+3 f ( c )+ f ( d )=0\) है, होगी

  1. A \(32\)
  2. B \(31\)
  3. C \(22\)
  4. D \(89\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(31\)

Step-by-step Solution

Detailed explanation

\(2 f(a)+3 f(c)=f(d)-f(b)\) Using fundamental principle of counting Number of one-one function is \(31\)
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