Question

Add 2mn, -4mn, 8mn, -6mn.
a) 0 b) -mn c) mn d) 2mn​

Answer 1

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$2mn + ( - 4mn) + 8mn + ( - 6mn) \\ = 2mn - 4mn + 8mn - 6mn \\ = 10mn + ( - 10mn) \\ = 10mn - 10mn \\ = 0$

Hence option (a) 0 is the correct answer

Answer 2

Answer:

a) 0

a) 0Step-by-step explanation:

a) 0Step-by-step explanation:as 2 + -4 = -2

a) 0Step-by-step explanation:as 2 + -4 = -2 -2 + 8 = -6

a) 0Step-by-step explanation:as 2 + -4 = -2 -2 + 8 = -6 -6 + 6 = 0

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