ABCD is rectangle formed by the points A(-1,-1),B(-1,4),C(5,4) and D(5,-1).P,Q,R and Sare the mid points of AB,BC,CD and DA respectively. Is the quadrilateral PQRS a square? a rectangle? or a rhombus? Justify your answer.
show that the relation R on Z defined by R={(a,b):|a-b| is even} is an equivalence relation
12 class ncert maths exercise 6.5 in Hindi questions no 24 se 26 tak
12 class ncert maths exercise 6.5 in Hindi questions no 24 se 26 tak
How do you write the equation of the hyperbola given Foci: (0,-5),(0, 5) and vertices (0, -3), (0,3)?