find ab
s a-b=3 & a²+ b ² = 2
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Answer:
-7/2
Step-by-step explanation:
a-b=3
Squaring both sides
(a-b)²=(3)²
a²-2ab+b²=9
(a²+b²)-2ab=9
2-2ab=9
-2ab=9-2
-2ab=7
ab=-7/2
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