Question

thanks very much and proud of your hard working 

How is this done . it is not step by step

Check whether 5X3X11+11AND5X7+7X3+3are composite number and justify

Checl whether 5X3X11+11AND5X7+7X3+3are composite number and justify

Sir please upload budget 2019

solutions of both permutations and combination

 

 

Why pr-pq is pq-pr?

    16.... no ???

Find the area of the following rectangles whose sides are 5cm and 4cm

How to bisect angle LAB and angle MBA?

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

Cot (A 15)-tan(A-15)= 4cos2a/1 2sin2A

How to identify whether to conjugate the given integral or not?

A wooden bookshelf has external dimensions as follows . Height=110cm, depth=25cm, breadth=85cm. the thickness of the plank is 5cm everywhere. The external faces are to be polished and the inner faces are to be painted.if the rate of polishing is 20 paise per square cm and the rate of painting is 10paise sq cm.find the total expenses required for polishing and painting the surface of the bookshelf

I am not able to understand the question 10
of exercise 9.4 of standard 11

Draw the triangle and construct for a triangle ABC, B=6cm,BC=7cm, and <A=60°

In this sum if x is 1. Then 30 can not fit. So how can we take it as median class?