Vedic maths. Find square of a number.
639²
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Finding 639² means 639 X 639.
Here " | " means separation of one digit in the result from another digit. D( ) means the digit from the number inside parentheses.
639² = D(6) | D(63) | D(639) | D(39) | D(9)
= 6² | 2 x 6 x 3 | 2 x 6 x 9 + 3² | 2 x 3 x 9 | 9²
= 36 | 36 | 117 | 54 | 81
= 36 | 36 | 117 | 54+8 | 1
= 36 | 36 | 117 + 6 | 2 | 1
= 36 | 36 | 123 | 21
= 36 | 36+12 | 3 | 21
= 36+4 | 8 | 321
= 408, 321
Here " | " means separation of one digit in the result from another digit. D( ) means the digit from the number inside parentheses.
639² = D(6) | D(63) | D(639) | D(39) | D(9)
= 6² | 2 x 6 x 3 | 2 x 6 x 9 + 3² | 2 x 3 x 9 | 9²
= 36 | 36 | 117 | 54 | 81
= 36 | 36 | 117 | 54+8 | 1
= 36 | 36 | 117 + 6 | 2 | 1
= 36 | 36 | 123 | 21
= 36 | 36+12 | 3 | 21
= 36+4 | 8 | 321
= 408, 321
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