Did you know that N*N = (N-1)*(N+1)+1?
Some examples: 9*9 = 8*10+1 = 81 101*101 = 100*102+1 = 10201 49*49 = 48*50+1 = 2401 1*1 = 0*2+1 = 1? WOW 0*0 = -1*1+1 = 0? GASP

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Did you know that N*N = (N-1)*(N+1)+1?
Some examples: 9*9 = 8*10+1 = 81 101*101 = 100*102+1 = 10201 49*49 = 48*50+1 = 2401 1*1 = 0*2+1 = 1? WOW 0*0 = -1*1+1 = 0? GASP

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Math trick
Great Puzzle Watch the video to learn the common mistake and what the correct answer is.
Multiply Any Two Numbers in 3 Seconds! | Amazing Math Trick 🔥
🚀 Do you believe you can multiply any two numbers in just 3 seconds? 😱 Watch this video and learn the fastest way to multiply numbers without a calculator! The method is smart and easy, suitable for all ages 👨🏫👩🎓 At the end of the video, there’s a simple challenge… Can you solve it? 🧠✨
📌 Try the method and share your result in the comments below 👇 And don't forget to like 👍 and share 🔁 the video with your friends!
🔢 The Magic of 9️⃣ – It's Like a Fun Trick! 🎩✨
A handy 😏👋 math secret

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"Can this number go into that number evenly?" Tricks:
1 = yes it can always go into that number evenly.
2 = If that number is even then yes.
4 = If that number is a three digit number or more, you only need to know if it goes into the last two digits evenly.
5 = If the last digit is a 5 or 0 you are good.
8 = like 4, but you need one more digit.
I skipped some numbers for a reason as they are special:
9 = add up all the digits. If this new number works so does the original. Still unsure? Well keep doing this until you only have one digit left. If that digit is 9 you are good.
3 = like 9 but if you get to one digit the good answers are 3, 6, and 9
6 = just check if it's even and if 3 goes into it.
And that's all our numbers 1 to 9...
What about 7 you ask? What about it?
VEDIC SHORT MATH TRICK.
SHORT MULTIPLICATION Math trick.
#Hindijnk #Math #shortmathtrick
#Learnmath. #Mathtrick
#mathmatics
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Numbers don’t lie. It’s your age. Bye Felicia