CBSE > Class 11 > Mathematics | CBSE Board | Homework Help

(i) let x belongs to (A-B) intersection (C-B) => x E (A-B) and x E (C-B) => [x E A and x not E B] and [x E C and x not E B] => [x E A and x E C]and x not E B => x E (A intersection C) and x not E B => x E (A intersection C)-B. Therefore, (A-B) intersection (C-B) is subset of (A intersection C)-B. (ii) [Repeat (i) from last to starting] Therefore, (A intersection C)-B is subset of (A-B) intersection (C-B). Hence, from (i) and (ii) (A-B) intersection (C-B) = (A intersection C)-B

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Important ques of ch 4 (PMI) for exam .

Posted by Chanchal Mudgal 7 years, 3 months ago

CBSE > Class 11 > Mathematics

2 answers

Rikku Mahto 7 years, 3 months ago

Inequalities wale

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Mitushi Singh 7 years, 3 months ago

5 ,7 ,11 ,13 , ,20-25 ....and examples ....

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If A is a matrix of order 3x3 such that A (adjA)=5I then find |adjA|

Posted by Jancy Todiwal 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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What is maximum value of 3-7cos5x?

Posted by Anuj Kumar 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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If acos2x+bsin2x=c and q and r are the roots of the equation . Then prove that tanq + tanr =2b/a+c

Posted by Sujal Tandon 7 years, 3 months ago

CBSE > Class 11 > Mathematics

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Find the power set of {a}

Posted by Palak Baveja 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Keshav Bindal 7 years, 3 months ago

{{a}, {}}

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Solve graphically 2x+y>6,x+2y>8,x>0,y>0

Posted by Palak Baveja 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Nikhil Ohlyan 7 years, 3 months ago

Hjjjjjjj

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If a.b .c.d are in gp then prove that (b-c) +(c-a)+(d-b)=(a-d)

Posted by Palak Baveja 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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Exercise 9.4 ke sabhi answer

Posted by Boby Singh 7 years, 3 months ago

CBSE > Class 11 > Mathematics

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what is triangle law of vector addition analital method

Posted by Abhishek Chhitarka 7 years, 3 months ago

CBSE > Class 11 > Mathematics

1 answers

Sachin Pokhriyal 7 years, 3 months ago

When two vectors are represented by the sides of triangle taken in same order then there resultant is represented by third side of triangle taken in opposite order.

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(1-w+w2) (1-w+w2) (1-w+w2)

Posted by Mayank Shukla 7 years, 3 months ago

CBSE > Class 11 > Mathematics

0 answers

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What is difrence between AP and GP

Posted by Pradeep Singh 7 years, 3 months ago

CBSE > Class 11 > Mathematics

2 answers

Pranav Vashisth 7 years, 3 months ago

Ap is a series with common difrence and gp is series with common ratio

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Nancy Rajput 7 years, 3 months ago

Arithmetic Progression : a series in which difference between any two consecutive terms is always same. a , a+d , a+2d ,........ where a is the first term and d is the common difference. geometric progression : a series in which ratio of any two consecutive terms is always same. a,ar, ar^2, ar^3 ......where a is the first term of the series. and r is the common ratio of the series.

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