If a+b = 28, then find b if ab = 14
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Answered by
1
Step-by-step explanation:
a+b=28
(a+b)^2=28^2
a^2+b^2+2ab=784
a^2+b^2+2 (14)=784
a^2+b^2=784-28
a^2+b^2=756
Answered by
3
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