1.)if a-b=5,a²+b²=49 find the value of ab
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Answered by
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Answer:
a-b=5
(a-b)²=a²+b²-2ab
( 5)²=49-2ab
25-49 = -2ab
-24= -2ab
ab = 24/2
ab= 12
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Step-by-step explanation:
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