If a+b = 8 and ab= 12, what is (a - b)?

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a+b = 8, ab= 12 ആയാൽ (a - b) എത്ര?

A16

B8

C4

D256

Answer:

C. 4

Read Explanation:

a+b = 8, ab= 12 (a - b)² = (a + b)² - 4ab =64 - 48 = 16 a - b = √16 = 4

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