If (a + b) = 6 and ab = 4, find a2+ b2?
Added by Albert W.
Step 1
First, we can use the formula (a + b)2 = a2 + 2ab + b2 to expand (a + b)2: (a + b)2 = a2 + 2ab + b2 We know that (a + b) = 6, so we can substitute that in: 62 = a2 + 2ab + b2 Simplifying, we get: 36 = a2 + 2ab + b2 Show more…
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