1.

If the arithmetic mean of two numbers be \[A\] and geometric mean be\[G\], then the numbers will be

A. \[A\pm ({{A}^{2}}-{{G}^{2}})\]
B. \[\sqrt{A}\pm \sqrt{{{A}^{2}}-{{G}^{2}}}\]
C. \[A\pm \sqrt{(A+G)(A-G)}\]
D. \[\frac{A\pm \sqrt{(A+G)(A-G)}}{2}\]
Answer» D. \[\frac{A\pm \sqrt{(A+G)(A-G)}}{2}\]


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