Question

cost of (3x+4y) fast track reflex 2.0 watches cost Rs.12x2+7xy-12y2.what will be cost of one such watch also find the cost of (x+y) watches of the same model

Answer 1

Step-by-step explanation:

26. Cost of (3x + 4y) Fast track reflex 2.0 watches cost Rs.12x2 + 7xy – 12y2. What will be

cost of one such watch? Also, find the cost of (x + y) watches of the same model.