Question

Evaluate 1002*998 by using a special product​

Answer 1

Answer: 999996

Step-by-step explanation:

(a+b)(a-b) = a^2 - b^2

1002 = 1000 + 2 & 998 = 1000 - 2

Thus, 1002*998 = (1000+2)(1000-2)

= 1000^2 - 2^2

= 1000000 - 4 = 999996....

Answer 2

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