if a + b + c= 0
prove that
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if a+b+c = 0, then
a^3+b^3+c^3 = 3abc
a^3/abc + b^3/abc + c^3/abc = 3
a^2/bc + b^2/ac + c^2/ab = 3 (hence proved)
a^3+b^3+c^3 = 3abc
a^3/abc + b^3/abc + c^3/abc = 3
a^2/bc + b^2/ac + c^2/ab = 3 (hence proved)
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Answer:
Step-by-step explanation:Area of cross section of river= 2 x 45 = 90 m²
so, water flowing into the sea= area of cross section x rate of flowing water
= 90 x 3000
= 270000 m³
there water flowing per minute= 270000 / 60 = 4500 m³
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