Write cleanly . It is important for student . If it is typed in small segments of white paper , show as slides . It will be excellent . Topic is excellent Prof pramanik IIT
@@PriyaDharshini-ig6nh We are computing the inverse of -2 rather than 2 so, first we will convert -2 into a positive integer by subracting it from 23 so, 23 - 2 = 21 now use Extended Euclidean theorem to compute 21 mod 23 the answer will be 11
at 12:51 time period: by which property 28/20 mod 23 becomes 5/20 mod 23 . my answer is 7/5 mod 23 so value of slope =14. plz correct me if i am wrong. as i am confused and new to number theory.
@@prabhudevbetsurmath7270 We are computing the inverse of -2 rather than 2 so, first we will convert -2 into a positive integer by subracting it from 23 so, 23 - 2 = 21 now use Extended Euclidean theorem to compute 21 mod 23 the answer will be 11
Nice lecture 👍. I am trying to understand elliptic curve over last 2 years
Happy to see that you have understood
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@Ronnie Atticus Flixportal xD
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@Ronnie Atticus glad I could help =)
Write cleanly . It is important for student . If it is typed in small segments of white paper , show as slides . It will be excellent . Topic is excellent
Prof pramanik IIT
Ok sir. Thank you
2 inverse mod 23 = 12. But there's a minus sign outside, so (-12) under mod23 = 11mod23. So final answer is 11 for lambda (slope)
How 2 inverse mod 23 = 12 pls explain
@@PriyaDharshini-ig6nh We are computing the inverse of -2 rather than 2 so, first we will convert -2 into a positive integer by subracting it from 23 so, 23 - 2 = 21 now use Extended Euclidean theorem to compute 21 mod 23 the answer will be 11
Superb mam !! Very crystal clear explanation !!
at 12:51 time period: by which property 28/20 mod 23 becomes 5/20 mod 23 . my answer is 7/5 mod 23 so value of slope =14. plz correct me if i am wrong. as i am confused and new to number theory.
28mod23 is 5 so thats how the numerator changes
Super mam...thnk u soo much
Best explanation
Glad you liked it
2^-1 mod 23 = 11 right.?
Then lambda will become -11 right mam?
can you explain how..?
12 is the answer of inverse
@@prabhudevbetsurmath7270 yes and -12 mod 23 equals 11 so lambda becomes 11
@@prabhudevbetsurmath7270 We are computing the inverse of -2 rather than 2 so, first we will convert -2 into a positive integer by subracting it from 23 so, 23 - 2 = 21 now use Extended Euclidean theorem to compute 21 mod 23 the answer will be 11
thanks a lot ma'am
Nice
Super mam
thanks a lot mam
Xp=9 u have take it as 3
Can u ans this