If a2 + b2 = 13 and ab = 6, find the value of (a+b)2
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Answer:
(a+b)^2=25
Step-by-step explanation:
a^2+b^2=13
ab=6
(a+b)^2=a^2+2ab+b^2
=a^2+b^2+2ab
=13+2(6)=13+12=25
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