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(nC0)+ (nC1)+ (nC2)2 +...+ (nCn)2 equals
  • a)
  • b)
  • c)
    2n
  • d)
    2n n!
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
(nC0)2+ (nC1)2+ (nC2)2 +...+ (nCn)2 equalsa)b)c)2nd)2n n!Correct answe...
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(nC0)2+ (nC1)2+ (nC2)2 +...+ (nCn)2 equalsa)b)c)2nd)2n n!Correct answer is option 'B'. Can you explain this answer?
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