Question

Use the identity , evaluate the following 195*205

Answer 1

Answer:

39975

Step-by-step explanation:

195 × 205 = (200 - 5) (200 + 5)

(a + b) (a - b) = a² - b²

(200 - 5) (200 + 5) = (200)² - (5)²

= 40000 - 25

= 39975

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MARK AS BRAINLIEST :)