If a² - b² =9
ab =3
then a+b =?
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(a-b)=3
(a-b)^2=3^2
a^2–2ab+b^2=9
a^2+b^2–2ab=9
a^2+b^2=29 given So
29–2ab=9
-2ab=9–29
2ab=20
ab=10.
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0
Answer:
10 is the correct answer
Step-by-step explanation:
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