Questions asked by Sai Krishna Kasyap

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• What is meant by radical? And how it forms?
  
• If Equations #x^2+ax+b=0# & #x^2+cx+d=0# have a common root and first equation have equal roots,solve Then prove that 2(b+d)=ac How to prove?solve
  
• What are the colligative Properties? How many Types are they? Explain?
  
• A 2.20kg object which is 1.20m in diameter is rolling to the right without slipping on a horizontal floor at a steady 3rad/sec. Then How fast its center is moving?
  
• What is meant by Apogee and perigee,Eccentricity? How do we Calculate them?
  
• A satellite,moving in an elliptical orbit, is 420 km above Earth's Surface at its farthest point and 210km above at its closest point.Then Calculate the Eccentricity of the Orbit?
  
• What is meant by Polar Form & Rectangular form? How do we find them for Complex Equations?
  
• How to Balance this Equation by Oxidation number method? #H_2SO_4+HI->H_2O+H_2S+I_2#