if a,b,c and d are in G.P show that (a2+b2+c2)(b2+c2+d2)=(ab+bc+cd)2

Accountancy illustrations 1

We wish to obtain an erect image of an object, using a concave mirror of focal length 15 cm what could be the range of distance of the object from the mirror what is the nature of the image is the image larger or smaller than the object ?draw a diagram to show the image formation in these case.

If A and B are invertible square matrices of the same order, then which of the following is not correct?
 (a) adj A = |A|. A –1 (b) det (A) –1 = [det (A)]–1  
 (c) (AB) –1 = B –1A –1 (d) (A + B) –1 = B –1 + A –1 

Science plz

Solve the problem 2-4 by 

Find the square root of each of the following number by the long division method 
484,7/522,3.24
            529

Profit and loss chapter explain

I want social 

Hi

Five years ago , Anu was thrice as old as sonu. after ten years,anu will be twice as old as sonu. How old are anu and sonu

Generate a bridge course lesson plan for grade 3

4577899*765

55677

800=2x'2

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Rationalize the denominator of 1/√2

Rationalize the denominater of 1/√2

A cottage industry produces a certain number of articles in a day. It was observed on a particular day that the cost of production of each article in rupees was 3more than thetwice number of articles produced on that day. If the total cost of production  on that day was 90 find the number of articles produced and the cost of each article

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