Question

11)999x 1003 in vedic maths multiplication​

Answer 1

$999 \times 1003 \\ we \: can \: write \: is \: as \: \\ = (1000 - 1)(1000 + 3) \\ we \: have \: (x + a)(x + b) = {x}^{2} + (a + b)x + ab \\ = {1000}^{2} + ( - 1 + 3)(1000) + ( - 1)(3) \\ = 1000000 + 2000 - 3 \\ = 1001997$

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