find the value of x and y for which a(2,0) b(0,2) c(0,7) and d(x,y) are the vertices of an isosceles trapezium in which ab // dc

• AB=7.5,DC =Y cm,

• AB=7.5,DC =Y cm,

Derivative of 1/x

There is one typing mistake in l.c.m. of 8,15,20 and that is 2,2,3,3,5 is wrong, actually 2,2,2,3,5 is right answer

4p square +q square= a square

if the areas of two triangles is similar is equal