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Prove that: A is a subset of B implies that A intersection B is equals to A

Posted by Vinod Agarwal 7 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Krishan Saini 7 years, 7 months ago

Proof: It means that B contain all the elements of A, so If we take A intersection B then it is equal to A. Because the elements of A is common in both sets.

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Find the modulus ... 2+3i/-5-4i This question is from elements class 11 Answer is√13/√41 plz ...solve this i have been trying it but the answer is not coming

Posted by Garima Lather 7 years, 7 months ago

CBSE > Class 11 > Mathematics

2 answers

Garima Lather 7 years ago

Ohh...it was a silly mistake ?

5Thank You

Ravi Gupta 7 years, 7 months ago

√(4+9)/√(25+16)= √13/√41

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33466434565335786347636763686468746864+5774-8557&46-$578-$8+6$4899-&$#211356+&_&8(+

Posted by Naina Singh 7 years, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

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Sin 20 degree ×sin 40 degree ×sin 60 degree * sin 80 degree =3/16 prove that

Posted by Jhasaketan Naik 7 years, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

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What is A intersection (A U B)? Where A={1,2,3,4,5} B={4,5,6,7,8} C={7,8,9,10,11}.

Posted by Aditya Gautam 7 years, 7 months ago

CBSE > Class 11 > Mathematics

6 answers

Lovely Dhawan 7 years, 7 months ago

The only ans is (4,5)

Harry Potter 7 years, 7 months ago

(A U B)={4,5}

Aradhya Agarwal 7 years, 7 months ago

1,2,3,4,5,6,7,8

Aradhya Agarwal 7 years, 7 months ago

4,5

Anurag Miglani 7 years, 7 months ago

(1,2,3,4,5)

Biology Lover 7 years, 7 months ago

A={1,2,3,4,5}

ANSWER

What is A INTERSECTION (B U C)? EXPLAIN.

Posted by Aditya Gautam 7 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Krishan Saini 7 years, 7 months ago

You ask what is intersection, but (BUC) is B union C Intersection--- It contain those elements which is common in both side.

ANSWER

Convert {0,3,8,15,24.....} into the roster form

Posted by Harshita Pandey 7 years, 7 months ago

CBSE > Class 11 > Mathematics

2 answers

Harshita Pandey 7 years, 7 months ago

Convert in set builder form

Himanshu Kharayat 7 years, 7 months ago

Already in roster form bro.

ANSWER

Hi ,can anyone send his or her kiya maths module of kota.please

Posted by Geet Anjali 7 years, 7 months ago

CBSE > Class 11 > Mathematics

0 answers

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Expand each of the expression in exercises 1to 5. 1. (1-2x)×5

Posted by Bhawna Claire 7 years, 7 months ago

CBSE > Class 11 > Mathematics

2 answers

Crystal Khanna 7 years, 7 months ago

Only asking ,are u

Crystal Khanna 7 years, 7 months ago

Are you studying in halwasiya school....

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1+2+3+.......+n<1/8(2n+1)^2

Posted by Crystal Khanna 7 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Crystal Khanna 7 years, 7 months ago

Answer fast?

3Thank You

ANSWER

tan 13A-tan 9A-tan 4A = tan 13A tan 9 A tan 4 A

Posted by Shivani Rana 7 years, 7 months ago

CBSE > Class 11 > Mathematics

1 answers

Shivani Rana 7 years, 7 months ago

Tan 13 A = tan (9A + 4A) Tan 13A= tan 9A +tan 4A ÷ 1- tan 9A tan 4 A (by using formula tan (A+B)= tan A + tan B ÷ 1 - tan A tan B) By doing cross multiplication Tan 13A (1-tan 9A tan 4A )= tan 9 A + tan4A Tan 13A-tan 13A tan 9A tan 4A = tan 9A +tan 4A Now by shifting Tan 13A -tan 9A -tan 4A=tan 13A tan 9A tan 4A hence proved.....