Question
Maths
Dec. 16, 2020, 3:44 p.m.
Answer
ABC is an isosceles triangle with AB=AC draw AP perpendicular to BC to show that angle B=angle C
I am not able to understand 11.1.2
Can you we please attach a video for this problem
Can you we please attach a video for this problem
English
Dec. 16, 2020, 1:08 p.m.
Answer
Draw the ray diagrams for convex lens when the object is kept at different places in front of a convex lens
In exercise 7.2 , 8th question , 2nd image , you wrote x1=2 , X2=2 , but in book and in diagram it is x1=(-2) and how it can be .