Questions asked by nahin

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• Solve: tan(x).tan(y)=a ,x+y=2b (x,y)=?
  
• What is the domain & range of the function : #x^2/(1+x^4)#?
  
• Two circles have the same radius of 1cm. B & C are the center of the two circles.they have Intersected at A & D point.what is the area of ABCD?
  
• What is the equivalent resistance of the circuit?
  
• What is the equivalent resistance of the circuit?
  
• What is the equivalent resistance of the circuit?
  
• If, A⊂B, Prove that B'⊂A' ?
  
• What is the domanin and inverse function of (ax^2+bx+c)/(dx^2+ex+f) ???
  
• A stick of 5cm contains two parallel forces P&Q as the picture.the resultant force is 50N which is 2cm far from P force on the stick.what is the value of P&Q?