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Find the arithmetic mean between (i) 14 and -6, (ii) (a-b) and (a+b) |
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Answer» (i) Arithmetic mean between 14 and -6 ` ( 14 + (-6))/ 2 = 8/2 =4 ` (ii) Arithmetic mean between 9a-b) and ( a+b) ` ((a -b) + (a+b))/ 2 = (2a)/ 2=a ` |
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