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

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

if x=7+4√3 and xy=1 find the value of 1/x^2+1/y^2

Posted by Darshani Muduli 7 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Cube + y cube + Z cube minus 9 x y z

Posted by Sindhu Nagaraj 7 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the value of 64xcube - 125zcube , if 4x - 5z= 16 and xz=12.

Posted by Anushka Arya 7 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

X+3

Posted by S. Subramanian 5 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Kavyansh Goyal 7 years, 5 months ago

X=-3

ANSWER

Y square + 4y + 14

Posted by Prajwal Cs 7 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Solve:If x= 2-√3/2+√3 then find x square +1/x square

Posted by Akanksha Kumari 7 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

X is 3times y

Posted by Durwa Pahariya 7 years, 5 months ago

CBSE > Class 09 > Mathematics

4 answers

Sonal Dewangan 7 years, 5 months ago

3x=y

Tharun Tamil Selvan 7 years, 5 months ago

That means x is 3 time mutiplys y

Satyam Satyam 7 years, 5 months ago

X=3y

Durwa Pahariya 7 years, 5 months ago

Y=2x

ANSWER

3+ root p is an irrational number

Posted by Hrithik Soni 7 years, 5 months ago

CBSE > Class 09 > Mathematics

2 answers

Manoranjan A 7 years, 5 months ago

If √p is 4,9,16 etc it is rational If √p is 2,3,5,6 etc it is irrational

Satyam Satyam 7 years, 5 months ago

Here √p is not clear so the answer may be rational or irrational

ANSWER

Let x and y be rational and irrational number rerpectivly Is(x+y) necessarily an irrational no given an example in support your answer .

Posted by Priyanshu Thakur 7 years, 5 months ago

CBSE > Class 09 > Mathematics

1 answers

Satyam Satyam 7 years, 5 months ago

Here the answer may be irriational or rational both Ex of rational =(4+3)=7 Ex of irrational =(√2+√2)=√2

ANSWER

5√8-2√32-2√2

Posted by Ronit Rachchh 7 years, 5 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the point whose ordinate is -3 and which lies on y-axis

Posted by Arshpreet Kaur 7 years, 6 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

trigonometric identities related problems

Posted by Suresh Rana 7 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Nitish Kumar 7 years, 6 months ago

math

ANSWER

Factories 3y³+y²-3y-1

Posted by Rohit Singh 5 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Aakriti Jauhari 7 years, 6 months ago

y^2(3y+1)-1(3y+1) (3y+1)(y^2-1)

ANSWER

3+ underoot 3 multiply 2 + underoot 2 ka square

Posted by Annu Goswami 7 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Aakriti Jauhari 7 years, 6 months ago

Is the question like : (3+√3) × [ 2+(√2)^2] ????

ANSWER

Rationalise 3√3/√5

Posted by Dushyant Kumar 7 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Suraj Kumar 7 years, 6 months ago

3√3*√5/√5*√5 = 3√15/5 ans.

ANSWER

Tell me law of number system

Posted by Andyadav Yadav 7 years, 6 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Xsquare - 2root3x +3

Posted by Pradnya Chittaragi 7 years, 6 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What is diagonal in quadrilateral

Posted by Nisha N 7 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Ashutosh Singh 7 years, 6 months ago

The line which join the to opposite vertices. (Remember not the adjacent vertices)

ANSWER

express the following in p q form 0.352 bar on 52

Posted by Prem Patil 7 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Aakriti Jauhari 7 years, 6 months ago

__ x=0.352 --------(1) Multiply both sides by 100 __ 100×x = 0.352 × 100 __ 100x = 35.252----------(2) Subtract (1) from (2) __ __ 100x - x = 35.252 - 0.352 99x = 34.9 x = 349/990

ANSWER

Fd

Posted by Ganesh Soni 7 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Isha Singh 7 years, 6 months ago

??

ANSWER

7 by 3 Cube 2 - 2 cube 3

Posted by Saksham Thakur 7 years, 6 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Rationalise 5+2 root 3 upon7+4 root3

Posted by Bable Sharma 7 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Bable Sharma 7 years, 6 months ago

35- 8 root3 upon 1

ANSWER

The oppsite sides of a quadrilateral are parallel. If one angle of the quadilateral is 60°, find the other angles

Posted by Shivani Rajput 7 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Ashutosh Singh 7 years, 6 months ago

Other angles are 120° ,60°, 120° and 60°.

ANSWER

Define line

Posted by Kush Thakkar 7 years, 6 months ago

CBSE > Class 09 > Mathematics

2 answers

Ashutosh Singh 7 years, 6 months ago

It is the combination of dots in a linear way, it does not have any ending poit , it can extend to infinite in both direction.

Devansh Pundir 7 years, 6 months ago

Its a combianation of dots in a linear way

ANSWER

Factorize the following=x2-y2-2x+6y+8

Posted by Diya Kumari 7 years, 6 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Represent √5on no.line

Posted by Karamveer Rathore 7 years, 6 months ago

CBSE > Class 09 > Mathematics

2 answers

Sharda Raghav 7 years, 6 months ago

i now this answer but how i show this onno. line

Sneha Dalmia 7 years, 6 months ago

How can I show on this

ANSWER

Find 10 rational no. Between 3and5

Posted by Karamveer Rathore 7 years, 6 months ago

CBSE > Class 09 > Mathematics

1 answers

Diya Kumari 7 years, 6 months ago

3/1×11=33/11 5/1×11=55/11 ten rational no. r-34/11,35/11,36/11,37/11,38/11,39/11,40/11,41/11,42/11,43/11,44/11...

ANSWER

Formula of class 9th ncert book of all chapter

Posted by Jainit Badaya 7 years, 6 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Let opposite singular points of a square be (3,4) and (1,-1) .Find coordinates of the remaining angular parts

Posted by Arjun Sharma 7 years, 6 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the value of (a) 4x²+9y²(b) 8x³+27y³

Posted by Sasi (Chinni) 5 years, 8 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Page 621 of 1011

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Google Play

Download myCBSEguide App