Question

if a+b = 3and ab =2 find a^2 - b^2​

Answer 1

Answer:

3, -3 ( Both answers are correct )

Step-by-step explanation:

a + b = 3

ab = 2

BY HIT AND TRIAL METHOD.

a = 1 or 2

b = 2 or 1

So,

a² - b² = 1² - 2² = -3

or

a² - b² = 2² - 1² = 3

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