Question

use formula to find values of 502x498​

Answer 1

Answer:

502×498=(500+2)(500-2) (a+b)(a-b)=a²-b²

500²-2²=250000-4=249996.

Answer 2

Answer:

502 × 498

= (500+2) (500-2)

= [ (500)²-(2)²] by indentity, a²-b² = (a+b)(a-b)

= [250000-4]

= 249,996

Step-by-step explanation:

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