Question

Multiply 101 and 99 using identities

Answer 1

Answer:

answer is 9999

Step-by-step explanation:

i hope it helps you

Answer 2

Answer:

9999

Step-by-step explanation:

IDENTITY

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

answer

→   (101)(99) can be written as (100 + 1)(100 - 1)

• so, by using identity, we get

• (100 + 1)(100 - 1) = 100^2 - 1^2

• = 10000 - 1

• = 9999

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