If a - b = 3 and ab = 2 find the value of a² + b²
please fast
Answers
Answered by
1
Answer:
5 is the answer
Step-by-step explanation:
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Answered by
1
Answer:
13
Step-by-step explanation:
subject b in a-b=3
a - 3 = b
ab=2
a × (a - 3) = 2
a^2 - 3a = 2
a^2 - 3a - 2
a = -0.56
therefore b= - 0.56 - 3
b = - 3.56
hence,
-0.56^2 + -3.56^2 = 12.98
final answer = 13
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