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bernie24
20.01.2020 •
Mathematics
Urgent asap
let a≡ (3∧-1+5^-1+7∧-1)^-1 (mod 11). what is the remainder when a is divided by 11?
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Ответ:
The exponent, ⁻¹, stands for inverse or reciprocal. Let's simplify this fraction first before dividing it by 11. Starting from the denominator, find the greatest common factor of 3, 5 and 7. That would be 3×5×7 = 105. Divide 105 to 3, 5 and 7, respectively, and add to their numerators. That would be
Now, we divide this by 11 and the answer is 0.13444. That means the remainder is 13444/10.
Ответ:
500
Step-by-step explanation: