(102) 2 - (98) 2 is equal to 1. 200 2. 400 3. 600 4. 800

Applying a 2 - b 2 = (a - b)(a + b) formula to (102) 2 - (98) 2 we get, (102) 2 - (98) 2 = (102 - 98)(102 + 98) = 4 × 200 = 800. Hence, Option 4 is the correct option.

Mathematics

(102)² - (98)² is equal to
200
400
600
800

Expansions

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Answer

Applying a² - b² = (a - b)(a + b) formula to (102)² - (98)² we get,

(102)² - (98)² = (102 - 98)(102 + 98) = 4 × 200 = 800.

Hence, Option 4 is the correct option.

Answered By

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Mathematics

(102)² - (98)² is equal to
200
400
600
800

Expansions

Answer

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