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What is the shape and hybridization of NH2-? ...
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find the domian of the function::: f (x) = [ log 0.3 (x2 - 1) / x2 - 3x + 2 ]1/2 ...
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A bomb is droped from a plane flying horizontally with uniform speed. Show that the bomb will explode vetically below the plane. will this be true if the plane flies with uniform speed but not horizentally? ...