List II | List II |
---|---|
A. Elastomeric polymer | I. Urea formaldehyde resin |
B. Fibre Polymer | II. Polystyrene |
C. Thermosetting Polymer | III. Polyester |
D. Thermoplastic Polymer | IV. Neoprene |
The portion of the line \( 4x + 5y = 20 \) in the first quadrant is trisected by the lines \( L_1 \) and \( L_2 \) passing through the origin. The tangent of an angle between the lines \( L_1 \) and \( L_2 \) is:
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