If a – b = 2 and ab = 24, then (a + b)2 is
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100
Step-by-step explanation:
(a-b)=2 and squaring it
(a-b)^2 =4
a^2 +b^2 -2ab = 4
now let's add 4ab on both side so
a^2 +b^2 -2ab +4ab=4+4ab
a^2+b^2 +2ab=4+ 4*24
(a+b)^2=4+96=100
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