Question

solve....................​

Answer 1

Answer:

998001-1=998000

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Answer 2

Answer:

∴ after evaluating we get, 998000

Step-by-step explanation:

here, we use identity= $a^{2} - b^{2}$=$(a+b)(a-b)$

now, by using that identity we can solve it.

  = [$(999^{2})$ - $1^{2}$]   =  (999 - 1) (999+1)

  = 998 * 1000   = 998000