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Hello, can someone help me with solving integral (sin^2x-cos^2x)/(sin^4x+cos^4x) ? WHAT IF A CHILD HAS A DEFICIENCY OF THE 16P CROMOSOME? A bullet while going straight upwards gradually increases its -? What is the concentration of the final solution when 5.0 Ml of 15.0 M NaOH is diluted to 100.0 Ml? In a nuclear reaction what fraction of the parent nuclides remain after two half lives?three half lives? four half lives?