UGC NET Computer Science December 2019 | Question 85

Question 85

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Let a^2c mod n = (a^c)² mod n and a^2c+1 mod n = a . (a^c)² mod n. For a=7, b=17 and n=561.
what is the value of a^b(mod n)?

1. 1. 160
2. 2. 166
3. 3. 157
4. 4. 67

Answer : 2

Explanation

Answer 2

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