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![R=[(1149)^2\times (10^9)^2]-[(1298)^2\times (10^9)^2)]\\\\R=1320201\times 10^{18}-1684804\times 10^{18}\\\\R=-3.64603\times 10^{23}](/tpl/images/0685/6782/3bd6f.png)
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R=1(1149×109meter)2−(1298×109meter) 2...
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