Question

Find dy/dx if x^y+y^x=1

Is the function f:R->R be defined by f(x)=2x-3 and g:R->R by g(x) =x^3 +5,then find fog and show that fog is invertible .also find (fog)inverse hence find (fog )inverse(9)

What is angle of depression 

Dear Sir.

we have purchase a capital asset like weighing machine and airconditioner for material weighing and providing cool to the medicine in our factory .will this asset be treated as plant &machinery head or some other head pls clarifysir

regards

rakesh 

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two dice are throwm simultaneously . find the probability that the sum of the two numbers appearing on the top is more than 10

• In the given figure AB is a chord of circle with centre o such that AB =16 cm and radius of circle = 10 cm tangents at a and b intersect each other at p  find the length of pa
  

Draw a circle of radius 5cm.from point p 8 cm away from its centre construct a pair of tangents to the circle . Measure the length of each of 1 of the tangents