How to Find Minimum (a+b) in 7^a + 3^b ≡ 568 (mod 1000) using CRT and Euler’s Theorem

“Find Minimum (a+b) | 7^a + 3^b ≡ 568 (mod 1000) | Chinese Remainder Theorem + Euler Totient | IITian Olympiad Maths”. This is what we will be discussing here in this blog.

A YouTube made by me and published from my channel maths&science by iitian on the subject topic is embedded here. The link for my video is