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प्रश्न
Find the A.M. between:
12 and −8
उत्तर
Let
\[A_1\] be the A.M. between 12 and −8.
\[A_1\] = \[\frac{a + b}{2}\] = \[\frac{12 + \left( - 8 \right)}{2}\] = 2
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