Question

I Want to learn

Sequence and series

Ncrt math class 12 ex6.2

integration of dx/(y^2+x^2)^3/2

Sides AB and BC and the median AD of ΔABC are respectively proportional to the sides PQ and QR and the median PM of ΔPQR. Show that ΔABC ~ΔPQR.

 question 4

why you put x=1,-1,0 in EX:7.5.13

The perimeter of similar triangle ABC and PQR are 180 cm and 50 cm respectively .If OR 5 cm then find BC