5) If two adjacent sides of a rectangle are 5x2 + 25xy + 4y2 and 2x2 - 2xy + 3y2 , find the area. Share with your friends Share 1 Shruti Tyagi answered this Dear Student, Let two sides of rectangle are A=5x2+25xy+4y2B=2x2-2xy+3y2Area of rectangle=A×B⇒5x2+25xy+4y22x2-2xy+3y2⇒10x4-10x3y+15x2y2+25x3y-50x2y2+75xy3+8x2y2-8xy3+12y4⇒10x4-10x3y+25x3y+15x2y2-50x2y2+8x2y2+75xy3-8xy3+12y4⇒10x4-15x3y-27x2y2+67xy3+12y4 Regards, 4 View Full Answer Aryan Goyal answered this not proper -3 David answered this Side 1 (l)of rectangle- 5x2 + 25xy +4y2 side 2 (b) of rectangle- 2x2 - 2xy +3y2 area of rectangle - l * b AREA = 5x2 + 25xy +4y2 * 2x2 - 2xy +3y2 = 10x4 - 10x3y + 3x2y2 + 50x3y - 50x2y2 + 75xy3 + 8x2y2- 8xy3 + 12y4 = 10x4 + 12y4 + 40x3y + 68xy3 - 39x2y2 3
