Question

find the co ordinate at which curve y= x^3+3x+4 at which tangent passes through orgin
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please help guys

Answer 1

Answer:

differentiate the curve with respect to x and substitute (0,0) in that equation

now the dy/dx which is obtained is the slope of your tangent

now is point slope form to find the equation

I didn't write the solution cause you should try it once:-)