1) 18 sq. units 2) 18√2 sq. units 3) 18/√2 sq. units 4) None of these Solution: The perpendicular distance from origin (0, 0) to the line 3x... View Article
1) ∞ 2) tan-1(3) 3) tan-1(1/3) 4) None of these Solution: Given x = 2 …(i) This line is parallel to the y-axis. x - 3y = 6 ..(ii) Slope, m =... View Article
1) tan-1(a2 - b2)/ab 2) tan-1(a2 - b2)/2ab 3) tan-1(a2 - b2)/2 4) none of these Solution: Given the intercepts of the line are a, and -b. So... View Article
1) -r2/2 2) -r/2 3) r/2 4) r2/2 Solution: Given a, b, c form a G.P. with a common ratio r. So b = ar, c = ar2 Equation of line is ax + by +... View Article
1) 95/6 2) 285/2 3) 190/3 4) 285 Solution: We know the centroid of a triangle is {(x1+x2+x3)/3, (y1+y2+y3)/3} Here centroid is (0, 0) and... View Article