Q6 of 59 Page 162

Use appropriate formulae and compute:

1008×992

1008 × 992 = (1000 + 8)(1000 – 8)


We use (a + b)(a - b) = a2 - b2


⇒ 1008 × 992 = 10002-82


⇒ 1008 × 992 = 1000000-64


⇒ 1008 × 992 = 999936


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