If (a+b)*=10 and ab=1 find *a+b* and *means square
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Answered by
4
Step-by-step explanation:
thus 8 is your answer....
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0
Answer:
9
Step-by-step explanation:
(a + b)² = a² + b² + 2ab
10 = a² + b² +2(1)
a² + b² = 8
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