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Prove that 7 − 2√3 is an irrational number.

Posted by Daksh Rastogi 1 year, 3 months ago

2 answers

Let's assume tha 7-2√3 is rational Now, 7-2√3 = a/b (where b is not equal to 0) 2√3 = a+7/b √3. = a+7/2b We can write b in the form √3/b So, if √3 can be written in the form of p/q so it's rational. But it's universal fact tha √3 is irrational "it can not write in form of p/q" Are assumption is wrong that 7-2√3 is rational. Hence, it's not rational than its irrational. Hence, Porved

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Khushal Kamble 1 year, 3 months ago

Proof

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Eco friendly environment

Posted by Heer Chauhan 1 year, 3 months ago

CBSE > Class 10 > Science

1 answers

Tanya Chauhan 1 year, 2 months ago

Eco friendly environment means living in a way that is not harmful to the environment .

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Project on tradional knowlege

Posted by Tushar Lohtra 1 year, 3 months ago

CBSE > Class 10 > Science

0 answers

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I am a professional pianist.

Posted by Yash Singh Bharara 7 months ago

CBSE > Class 10 > Music

0 answers

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Explain the tasks of operating system as storage management

Posted by Akanksha Sinha 1 year, 3 months ago

CBSE > Class 10 > Information Technology (402)

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Do you think people like Anil and Hari Singh are found only in fiction,or are there such people in real life

Posted by Anushka Shinde 1 year, 3 months ago

CBSE > Class 10 > English Language and Literature

1 answers

Anushka Shinde 1 year, 2 months ago

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2Mg + O2 ---> 2mgO tell oxidising agent in the following

Posted by Adrika Vishwakarma 1 year, 3 months ago

CBSE > Class 10 > Science

4 answers

Lavkush Giri 1 year, 2 months ago

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Sonu Scientist 1 year, 3 months ago

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Trishya Kashyap 1 year, 3 months ago

Oxygen is oxidising agent

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Sameer Ansari 1 year, 3 months ago

Oxygen is oxidising agent

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If alpha and beta are the zeroes of the quadratic polynomial f(x)=x²–px+q, prove that alpha² ÷ beta² + beta² ÷ alpha ² = p²÷q²–4p²÷q +2 .

Posted by Mehak Ruhil 1 year, 3 months ago

CBSE > Class 10 > Mathematics

2 answers

Vedika Tiwari 1 year, 3 months ago

How to learn maths standard

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Vedika Tiwari 1 year, 3 months ago

How many types of polynomial

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Common salt besides being used in kitchen can also be used as a raw material for making?

Posted by Vansh Paniwal 1 year, 3 months ago

CBSE > Class 10 > Science

1 answers

Yesha Shah 1 year, 3 months ago

Brinw

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In what ratio does x-axis dividede the line segment joining the point A (3,6) B (-12,-3 )

Posted by Mone Tayeng 1 year, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

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If alfa and beta are the zeros of the polynomial 4xsqura - x-4 then find the value {1} ALFA SQUARE +BETA SQUARE {2} ALFA SQUARE BETA+ALFABETA SQUARE

Posted by Shreekala P 1 year, 3 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Define majoritarianism. Exam in the steps which turned out to be mild stones to establish majoritarianism in Sri Lanka

Posted by Nikita Godara 1 year, 3 months ago

CBSE > Class 10 > Social Science

1 answers

Trishya Kashyap 1 year, 3 months ago

Majoritarianism is a type of rule by which majority can rule over minority in whichever way it wants no matters satisfaction of minority

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Debjyoti English Bravia class 10 solution worksheet 1 to 21

Posted by Satish Kumar 1 year, 3 months ago

CBSE > Class 10 > English Language and Literature

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He told me that ____ guests would be arriving today.As we don't have ____ room in our house,he is talking them to a hotels. Answer

Posted by Rajbeer Singh 1 year, 3 months ago

CBSE > Class 10 > English Language and Literature

0 answers

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Name the two minerals present in alluvial soil which makes it ideal for the growth of sugarcane, paddy, wheat and other cereals ?

Posted by Yogita Yogita 1 year, 3 months ago

CBSE > Class 10 > Social Science

2 answers

Veer Singh Bisht 1 year, 3 months ago

minerals like potash, phosphoric acid and lime.

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Raushan Aara. 1 year, 3 months ago

Potash , phosphoric acid and lime

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3x/2 -2y=12 and 5x-2y/5=3

Posted by Saksham Maurya 1 year, 3 months ago

CBSE > Class 10 > गणित

1 answers

Bhavesh God Sumaniya 1 year, 2 months ago

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Lanco prediction came true but not exactly in way he had expected how

Posted by Ram Ram 1 year, 3 months ago

CBSE > Class 10 > English Language and Literature