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The area of a parallelogram and a square are the same . If the perimeter of the square is 160m and the height of the parallelogram is 20m sq , find the length of the corrrsponding base of the...
ABC is a right angled triangle right angled at B. D is the midpoint of BC and A and D are joined. By Pythatgoras’ theorem AD2=AB2+BD2 or, BD2=AD2-AB2 or, (1/2BC)2=AD2-AB2 or, 1/4BC2=AD2-AB2...
Area of octagan is equal to 2(1+root2)a`s square. Where a stands for the side of the octagon. The value of root is equal to 1.4142 approx plz use this value i will surely help you out. Thanks for...
when the angle is very small the behaviour of trignometric angles are sinx=x tanx=x cosecx=1/x cotx=1/x
here 2 x+4 =s then the equation is s-s/2=1 that implies 2s-s=2 therefore s=2 2 x+4 =2 or 2 1 that implies x+4=1 therefore x=-3
@ ajay if u want ebooks then go for maths spectrum by mtg publication , and MATHS genius books by arihant . u will get many things there , and also try out askiitians self study package , they are...
There are several free online handouts which would help you learn inequalities. You can start with a gentle introduction with a handout by Riasat ( Riasat Inequalities)Then progress to Inequalties by...
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http://www.askiitians.com/forums/Algebra/22/23308/sequences-and-series.htm
Let ABCD be the cyclic quadrilateral with AD parallel to BC. The center of the circle is O. since AD is parallel to BC and AC is the transverse angle DAC = angle ACB angle DAC is subtended by chord DC...
I have done this question but how I attach the figure. SAS congruency se triangles congruent honge. Figure ban gaya h na
Speed of boat in still water is 8and speed of stream is 3 km/hr let us suppose that speed of boat instill water is x and speed of stream i y equations are. 30/x-y +44/x+y=10...(1). And...
(x-y)2>=0; Therefore, x2+y2>=2xt>=0 Also using Nima J's proof, it follows that (X2-y2)2>=0; Therefore, x4+y4>=2x2y2 Dividing both sides by 2 gives (a) ½(x2+y2)>=xy and (b)...
I participated in RMO 2016 from West Bengal.I scored 40.I did the first geometry(no.1), did the combinatorics(no. 4) problem and did the inequality (no. 2) but probably got messed up a bit because I...
@vaibhav the above solution is completely wrong,this is for those questions which give condition that no 2 girls are sitting together,but it is given that all girls are sitting alternate. for this do...
@ nishant yes , for sure . u can directly mail to the regional coordinator of rmo about it . frst check on the site , u can find their with your required details , if not able to find , then go with...
@ nishant cutofff do vary year to year , and in this year the no of partcipants in creases in rmo cg olympiad , so, we hope to be a increase in cutoff , still its not for sure , so, wait for the...
@ nishant i am sorry , with this marks u are not elligible for the olympiad scholarship . and about the cutoff , it will be somewhat around 40-45.. kindly check it at the respective website else u can...
@ sunidhi theorams are easy to proov . but the thing is u need to know the formula and steps . for easy way just start from the opposite side , i mean from the last , then your doubt will get cleared...
@ class in class 9 u just need to take ncert for your revision . class 9 is just a foundation , and ncert is your main textbook , and for iit foundation u can take the books of mtg publication as well...
Take a=b=1 and get the value of c , so you will get c=-1/2. put the value of a=b=1 and c=-1/2 in the equation on the right hand side , you will get ans as 0.
Just go through previous year papers with solutions. You have got very less time to solve a book. http://www.askiitians.com/olympiads/regional-mathematical-olympiad/
What is N ? Please post the complete question.
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