Average, Mathematics

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A boy covered half of distance at 20km/hr and rest at 40kmlhr. calculate his average speed.

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Trigonometry, Prove: cotA/2.cotB/2.cotC/2 = cotA/2+cotB/2+cotC/2

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Solve sin (a /7) =0 trig function, Solve sin (α /7) =0 . Solution B...

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Calculate the volume and surface area of a sphere, Calculate the volume and...

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Polynomial : f(x).f(1/x), A polynomial satisfies the following relation f(x...

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