Calculate square of 31 or say 61
The formula is simple and the application is simpler.
Then 612 will be given by the following
612 = 602 + (60 + 61) = 3600 + 121 = 3721
or Say you know 252 = 625 then
262 = 625 + (25 + 26) = 676
Like above, you can find out square of a number that is one less than the number whose square is known. In this I have utilized the Base Technique of Vedic Maths.
You can use this technique to find the square of a number which is one more than the square of a known number.
Notes
Vedic Maths - Notes
1. Multiply any two digit number with 11
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4. Multiplying two 2 digit numbers difference of 4
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7. Multiplying two selected 3 digit numbers middle digit 0
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8. Likewise you can find out square of a number that is one less than the number whose square is known
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9. Square 2 Digit Number with up down Method
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12. Multiplying two 2 digit numbers difference of 6
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13. Squaring a 2 digit number ending in 5
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16. Multiplying two selected 3 digit numbers middle digit 1
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18. Squaring a 2 digit number ending in 2
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19. Digital Sums For Multiplication By Eleven
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20. Squaring a 2digit number ending in 8
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21. Squaring a 2 digit number ending in 3
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22. Multiplying two 2 digit numbers same 2nd digit
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23. Multiplication of two numbers around 100 is even easier than you could ever imagine
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26. Multiplying two 2 digit numbers difference of 3
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27. Squaring a 2 digit number beginning with 1
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28. Multiplying two 2 digit numbers difference of 1
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29. find square of a number between 50 and 60
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30. Lets add 1 hr and 35 minutes and 3 hr 55 minutes together
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31. Squaring a 2 digit number ending in 4
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32. Squaring a 2 digit number beginning with 9
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33. Multiplying two 2 digit numbers same 1st digit 2nd digits sum to 10
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34. Multiply any two numbers from 11 to 20 in your head Take 15 x 13
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39. This little math trick will show you whether a number is divisible by four or not
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40. Multiplying two 2 digit numbers difference of 2
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42. Vertically and Crosswise To find 26 Multiplied by 31 in One Line we need to look at a Pattern
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43. Multiplying two 2 digit numbers difference of 8
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44. Squaring a 2 digit number ending in 6
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49. Convert Fahrenheit to Celsius and vice versa
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50. Squaring a 2 digit number ending in 7
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