If log 10x-log 10y- 2- then the least value of x - y is-

The correct option is B 20 log _ 10 x +log _ 10 y ≥ 2 log _ 10 (xy) ≥ 2 xy≥ 10 ^ 2 AM≥ GM (x+y)≥ 2√( xy ) Least of (x+y) ...

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Significant Figures in Product

If log 10x+...

Question

If ${log}_{10} x + {log}_{10} y \geq 2,$ then the least value of $(x + y)$ is:

10

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20

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30

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None of these

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{log}_{10} x + {log}_{10} y \geq 2

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