Question

Solve the diffrential equation dy/dx = log ( x+1)

if question does not specify ROI date than what we should consider?

AB,CD,PQ are perpendicular to BD. AB=x,CD=y and PQ=z prove that 1/x 1/y=1/z

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I want to know an example whose identity and inverse both exists.

gst rerun file in xls foratme

Show that sum of angles in a triangle

draw a triangle abc with side bc=6 cm ab=5 cm and angle abc = 60. then construct a triangle whose sides are 3/4 of the corresponding sides of the triangle abc. write steps of construction