Exercise12.2 class10 maths
Check whether 5X3X11+11AND5X7+7X3+3are composite number and justify
solutions of both permutations and combination
16.... no ???
If a b c are any vectors evaluate a×(b+c)+b×(a+c)+c×(a+b)
Construct a triangle ABC in which BC=7cm,angle B =45°;angle C=100° measure angle A