Question

1. Prove E=mc^2
2. If mass is 1 kg then find out the value of Energy by E=mc^2
3. Write the full form of E,m ,c^2 

1. Find the derivative of the function (x-1/x^3).e^x

commercial arithmetic

• only 14 and 16 questions 
  
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A tree stands vertically on a hill side . Which makes an angle of 15degree with the horizontal. From a point on the ground 35meter down the hill from the base of the tree,theangle of elevation of the top of the tree is 60 degree. Find the height of the tree

A tree stands vertically on a hill side . Which makes an angle of 15degree with the horizontal. From a point on the ground 35meter down the hill from the base of the tree,theangle of elevation of the top of the tree is 60 degree. Find the height of the tree

misc 11 of straight lines - isn't that wrong 👎