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Chapter 2 exercise .

Posted by Lalit Kumar 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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If a=5+2√6 and b= 1/a,then find the value of a^2+b^2

Posted by Shruthi Shruthi 5 years, 8 months ago

CBSE > Class 09 > Mathematics

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How to do rounding off

Posted by Janta Meena 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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Simplify : (729) power -1/6

Posted by Suman Lata 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Aditya Pratap Singh 7 years, 7 months ago

3 to power 6.

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Find the difference between three rational number 1 and 2

Posted by Rohit Kumar 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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Find the square root of 22.09

Posted by Kirti Kumari 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Bhargav Parate 7 years, 7 months ago

4.7

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Arange in ascending order - 6√6 ,3√6 ,4√8

Posted by Aditi Kumari 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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Insert 20 rational numbers between 1 and 2

Posted by Deepak Kumar 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Natasha Zolot 7 years, 7 months ago

1×20 upon (20+1) and 2×20 upon (20+1)...This will be: 20 upon 21 and 40 upon 21. Now, the rational numbers will be: 22 upon 21, 21 upon 21, 23 upon 21, and so on....

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Prove that root 3is irrational

Posted by Satya Ranjan Parida 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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Bittu Kumar 7 years, 7 months ago

The decimal form of root 3 is 1.73205…. Which is non terminating decimal so. it is irrational

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Construction of ‛square root spiral‘

Posted by Aditya Kushwaha 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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Find five rational numbers between 3/5 and 4/5

Posted by Aryan Sharma 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Priyansh Srivastava 7 years, 7 months ago

Answer is 75/125 76/125 77/125 78/125 79/125 80/125

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Under root 11 × under root 11=?

Posted by Daman Mangat Mangat 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Bittu Kumar 7 years, 7 months ago

It is simple that root 11× root 11=11

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Under root 11 is into under root 11 is quals to=?

Posted by Daman Mangat Mangat 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Sarvesh Baheti 7 years, 7 months ago

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Xplus 2

Posted by Aditya Singh 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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If both (x - 2) and (x -1/2) are factors of px2 +5x+r then show that p=r

Posted by Oyishi Paul 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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Posted by Ashish Raj 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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66+666-5-47+5-56+

Posted by Bunty Singh 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Priyansh Srivastava 7 years, 7 months ago

574

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Factorise : 7√2x^2 - 10x - 4√2

Posted by Shashank Kumar 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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Find the remainder when x cube + 3 X square + 3 X + 1 is divided by 6 + 22÷7

Posted by Shiva Yadav 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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64m

Posted by Vikas Chauhan 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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Represent 5/3 and -5/3 on number line

Posted by Ruder Dalal 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Nityanand Priyadarshi 7 years, 7 months ago

Sketch a line and then 5/3=1 whole 2/3 and then divide the lin between 1and2 into three part and second part will be 5/3

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Vulgar fraction

Posted by Disha Bajaj 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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If a=2+√3,find the value of a-1/a

Posted by Rishabh Kumar 7 years, 7 months ago

CBSE > Class 09 > Mathematics

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If x-1/x=2, find x^4+1/x4

Posted by Varsha Reddy 7 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Aditi Shukla 7 years, 7 months ago

x-1/x =2 => x-1=2x => -x = 1 => X=-1 :. According to question we have to find the value of x^4+1/1. --------------eq1 Then, we have got x=-1, and by substituting its value in eq 1; 1^4+1/1 =1+1/1 =2/1 =2 . Answer. ???

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Factorise (5a+2a/3)^2 - (2a-1/3)^2)

Posted by Varsha Reddy 7 years, 7 months ago

CBSE > Class 09 > Mathematics