1. If a² + b2 = 100, ab = 48, find the value of a + b.
2. If a + b = 9, ab = 4, find the value of a + b2.
3. If a - b = 5, a? + b2 = 49, find the value of ab.
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3)a-b=5
Idk this “_”
Idk this “_”
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