1.

Sethu travelled (4x²+3xy²+5x) kilometre in‘2x’ hours. Find his speed of travel​

Answer» E = 4x² + 3xy² + 5xTime = 2X= 4x² + 3xy² + 5X / 2x= 4x²/2x + 3xy²/2x + 5x/2x= 2x + 3y²/2 + 5/2= 2x + 1½y² + 2½ km/h


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