Proof of Divisibility Rules 11 and 13

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the only time someone puts up the derivation. Thank you.

darshan
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The volume is a little low but otherwise it's a brilliant video keep up the good work!!👍👍👍

alkamishra
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Try I'm really Impressed with your videos. I'm just wondering if there's any chance you have a simple explanation of why LCM(a|b)=ab/HCF(a|b)? I feel like I've so nearly got it clear in my head in a way that will work for teenagers but would love to hear it from someone else....

RebeccaTheMathsLady
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Trying to verify that 39 is divisible by 13:
39 -> 3 + 4*9 = 39 -> 3 + 4*9 = 39..…...

DbnIsStupid
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Sir, this is such a great technique. Many many thanks. Respect. 🙏🏽🙏🏽

profabhishekiitr
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god thats an old windows version. what version is this?

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