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solve quadiratic inequalitiy using product propertise
6xsq -x+3<5xsq+5x-5
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Prove: (3cosx + 4sinx)^2 + (4cosx - 3sinx)^2=5 ...this is all under the square root sign.
this is what i did please check. i
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a solution is prepared by dissolving 4.87 g of sodium dichromate in 25.0 ml of water. (d=1.00g/mL).calculate
a. the mass percent
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