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in Vedic Mathematics by (34.1k points)
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Calculate square root of the following numbers by Dvanda yoga method or Duplex process

1. 389376

2. 1156

1 Answer

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Best answer

1. 389376

Therefore square root of 389376 = 624

Steps:

(i) 38 – (6)2 = 2, New dividend = 29

Divisor = 6 x 2 = 12

(ii) 29 ÷ 12, Quotient digit = 2,

Remainder = 5

(iii) New dividend = 53

Adjusted dividend = 53 – 22 = 49

(iv) 49 ÷ 12, Quotient digit = 4,

Remainder = 1

New dividend = 17 and remainder

= 17 – 2 x 4 x 2 = 1

New dividend =16 and final remainder

= 16 – 42 = 0

2. 1156

Therefore square root of 1156 = 34

Steps:

(i) 11 – (3)2 = 11 – 9 = 2

New dividend = 25

Divisor 3 x 2 = 6

(ii) 25 ÷ 6, Quotient digit = 4,

Remainder = 1

(iii) Final remainder = 16 – (4)2

= 16 – 16 = 0

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