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ss7ja [257]
3 years ago
13

If (a+b)^2=10, if ab=-2 calculate a^2+b^2​

Mathematics
1 answer:
Reil [10]3 years ago
4 0

Answer:

a^2+b^2=(a+b)²-2ab=10-2×-2=10+4=14(here -×-=+)

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