Mathmuni - Mathematics for success

Question 272

If 3 . ^{x + 1}C₂ + ²P₂ . x = 4 . ^xP₂, x ∈ N, then x is equal to

a) 2

b) 4

c) 3

d) None of these

Your Answer	A B C D		CLEAR
« Previous	Answer: c

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