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This is a curved line.When x=-3,y=x^2-4.There are seven points on the line and the...
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Given equation of the curve
differentiate (i) with respect to x
Thus gradient (slope)=-4
The equation of tangent at `(x_1,y_1)` and slope m is .
when x=-2 then y=0
Thus equation of tangent at (-2,0) and slope -4 is
Posted by pramodpandey on April 25, 2013 at 8:32 AM (Answer #1)
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