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andrezito [222]
3 years ago
15

Evaluate using identities: (100+1) (100-1)​

Mathematics
2 answers:
stepladder [879]3 years ago
4 0

Answer:

9999

Step-by-step explanation:

Given

(100 + 1)(100 - 1) ← these are the factors of a difference of squares.

a² - b² = (a + b)(a - b) , thus

(100 + 1)(100 - 1)

= 100² - 1

= 10000 - 1

= 9999

Gnom [1K]3 years ago
3 0
Answer: 9999

Explanation:

(100 + 1)(100 - 1)
= 100^2 - 1^2
= 10000 - 1
= 9999
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