find the value of 1^-2+2^-2+3^-2
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Answer:
The value is 49/36
Step-by-step explanation:
1⁻² + 2⁻² + 3⁻²
1/1² + 1/2² + 1/3²
1 + 1/4 + 1/9
Take LCM
(36 +9 + 4)/36
49/36
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