Define Arithmetic mean.

1.	Define Arithmetic mean.
Answer» The Arithmetic Mean between two numbers is the number which when placed between them forms an arithmetic progression with them. Thus if x is the arithmetic mean of two given numbers a and b, then a, x, b form an A.P. ∴ x – a = b – x ⇒ x = \(\frac{a+b}{2}\) Ex. The arithmetic mean between – 4 and 6 is \(\frac{6+(-4)}{2}\) = 1.

Answer»

The Arithmetic Mean between two numbers is the number which when placed between them forms an arithmetic progression with them. Thus if x is the arithmetic mean of two given numbers a and b, then a, x, b form an A.P.

∴ x – a = b – x ⇒ x = \(\frac{a+b}{2}\)

Ex.

The arithmetic mean between – 4 and 6 is \(\frac{6+(-4)}{2}\) = 1.

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Define Arithmetic mean.

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