If a +b = 9 and ab = 24 = what is the value of a ^2 + b^2 ?
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Answer:
hope it's the correct answer
Step-by-step explanation:
a+b=9
= (a+b)^2=9^2
= a^2+b^2+2ab = 81
= (a^2+b^2) + 48= 81
= (a^2+b^2) = 81-48
= (a^2+b^2) = 33
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