Question

Use an appropriate formula to find the values of the following:

i) 1008 x 992
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Answer 1

Answer:

1008 × 992

= (1000 + 8) (1000 - 8)

Using (a+b)(a-b) = a²-b²

= 1000² - 8²

= 1000000 - 64

= 999936