Question

Hii Friends....
Please answer my question fast
Its really very urgent.....

If a+b= 12 and ab= 24; Find a²+b²

Answer 1

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ur answer is. ......in the pic
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Answer 2

$(a + b) ^{2} = (12) ^{2} \\ a ^{2} + b ^{2} + 2ab = 144 \\ putting \: value \: of \: (ab) \: in \: above \\ a^{2} + b ^{2} + 2(24) = 144 \\ a^{2} + b^{2} + 48 = 144 \\ a^{2} + b^{2} = 144 - 48 \\ a^{2} + b^{2} = 96$
This is the required answer.