CBSE > Class 09 > Mathematics | CBSE Board | Homework Help

Just multiply the decimal expansion of 1/7 with the numbers 2, 3, 4, 5, 6 redpectively. Then you will get the answer. By the way NCERT is the easiest book and the is the most easiest question in this chapter.

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Kunal Chamol8 7 years, 7 months ago

O.142857....x 2=0.285714

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Explain the difference between character , line and page printer with examples

Posted by Priyanka Badgujar 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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Factorise a cube minus b cube

Posted by Shruti Sharma 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Udit Gupta 7 years, 7 months ago

(a- b)(a^2 + ab + c^2)

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Prove that square of any integer is in the form of 4a+1

Posted by Armaan Chaudhary 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Kashish Jha 7 years, 7 months ago

I think dude your question is wrong

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What are rational and irration numbers

Posted by Armaan Chaudhary 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Udit Gupta 7 years, 7 months ago

The numbers which can be expressed in p/q form where q is not equals to 0 are called rational numbers. AND. The numbers which cannot be expressed in p/q form where q is not equals to 0 are called irrational numbers.

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x= 5+√40 Find √x+1÷√x

Posted by Lavanya Singh 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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3√2

Posted by Kakashi Fire 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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Prove (pai )is an irrational number

Posted by Kulbhaskar Chaturvedi 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Ayush Agarwal 7 years, 7 months ago

pai is an irrational no because pai is not having its exact valuethat is 22by7 and in decimal

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Solve 2x+5y=33 3x+2y=22

Posted by Nishtha Srivastava 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Udit Gupta 7 years, 7 months ago

1. 2x+5y- 33= 0. 2. 3x+2y- 22= 0

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Factors of X cube - 2x square -13x - 10

Posted by Soham Kokate 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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(x+2)sqaure+psqaure+2p(x+2)

Posted by Pragati Jain 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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If x=(5+2√6),show that (√x+1÷√x)=±2√3

Posted by Vibhor Bansal 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Isha Narula 7 years, 7 months ago

Mera maths ka paper ho gaya hai to aise questions se paka mat

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If x=(3-2√2),show that (√x-1÷√x)=±2

Posted by Vibhor Bansal 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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Prove that vertically opposite angle are equal

Posted by Avani Kushwaha 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Pushpendra Parihar 7 years, 7 months ago

Nice question

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If the lines given by 3x+2ky-2=0 and 2x+5y=-1 are parallel, then the value of K is

Posted by Yusuf Ansari 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Yusuf Ansari 7 years, 7 months ago

Please anser this question. ...

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2*2?

Posted by Poorvi Rai 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Shriji Agarwal 7 years, 7 months ago

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Find a^3 +b^3 if a+b=12 , ab=27

Posted by Manjeet Kumar 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Vibhor Bansal 7 years, 7 months ago

This question we can done by the identity (a+b)^3 (a+b)^3=a^3+b^3+3ab(a+b) so, we have a+b=12 and ab=27 (12)^3=a^3+b^3+3(27)(12) 1728=a^3+b^+972 1728-972=a^3+b^3 a^3+b^3=756

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Factories 9x²+12xy

Posted by Krishna Sen 7 years, 7 months ago

CBSE > Class 09 > Mathematics