Question

if a+b=8 and ab=12 find the difference between a and b​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

$(a + b)^{2} = {8}^{2} \\ (a - b) ^{2} + 4ab = 64 \\ ({a - b})^{2} + 4 \times 12 = 64 \\ {(a - b)}^{2} + 48 = 64 \\ {(a - b)}^{2} = 64 - 48 \\ {(a - b)}^{2} = 16 \\ {(a - b)} = 4$

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