1.

() x-_:- W W y=242-3 &प्रवणता है : ‘A -1 B 1© 3 (3) इनमें से कोई नहींThe slope of tangent of they=2x"-3 at x= 4—l is:) -1 B 1© 2_‘ (D) of these

Answer»

slope = dy/dx = 4x

Slope = 4(1/4)

= 1

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