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Simplify: (1/2)^-2 + (2/3)^-2 + (3/4)^-2 |
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Answer» (1+2)^-2+(2+3)^-2+(3+4)^-2 =3^-2+5^-2+7^-2 =1/3^2+1/5^2+1/7^2 =1225+441+225/11025 =1891/11025 =0.171519247 |
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