The three sides of a triangular garden are represented by the following algebraic…
MATHEMATICS · Multi-part · CBSE · Mathematics · We Distribute, Yet Things Multiply · We Distribute, Yet Things Multiply
Problem
The three sides of a triangular garden are represented by the following algebraic expressions (in metres):
Side AB=2x2+3x−4, Side BC=−x2+5x+6, Side CA=4x−3.
(i) Find an expression for the perimeter of the garden in terms of x.
(ii) The boundary of the garden is to be fenced with rope that costs Rs 12 per metre. Calculate the total cost of fencing when x=3.