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Posted by Navneet Goyal 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If 2x+3y=12andxy=16 then find 8x3+27y3

Posted by Om Singh 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Sia ? 5 years, 3 months ago

We have,
(2x + 3y) = 13
{tex}\Rightarrow{/tex} (2x + 3y)³ = 13³
{tex}\Rightarrow{/tex} (2x)³ + (3y)³ + 3 {tex}\times{/tex} 2x {tex}\times{/tex} 3y(2x + 3y) = 13³
{tex}\Rightarrow{/tex} 8x³ + 27y³ + 18xy(2x + 3y) = 2197
{tex}\Rightarrow{/tex} 8x³ + 27y³ + 18 {tex}\times{/tex} 6 {tex}\times{/tex} 13 = 2197
{tex}\Rightarrow{/tex} 8x³ + 27y³ + 1404 = 2197
{tex}\Rightarrow{/tex} 8x³ + 27y³ = 2197 - 1404 = 793

Om Singh 5 years, 3 months ago

(2x+3y)³=2x³+3y³+3*2x*3y(2x+3y) =(12)². After putting value of 2x+3y andxy so 8x³+27y³+18*6 *12=1728. 8x³+27y³=1728-1296. So. 8x³+27y³=432

ANSWER

What are the 10 algebraic identities

Posted by Tanmaya Chita Padhi 5 years, 3 months ago

CBSE > Class 09 > Mathematics

3 answers

Navneet Goyal 5 years, 3 months ago

Hi

45516111? 46 5 years, 3 months ago

Book me h

Pankaj Kumar 5 years, 3 months ago

(a+b)×(a+b) (a+b)×(a+b)×(a+b) (a+b+c)×(a+b+c) (a+b)×(a+b)×(a+b) (a-b) ×(a-b) ×(a-b) (a-b) ×(a+b) (a+b)×(a+b)

ANSWER

Theorem 1st

Posted by Riya ? 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Pankaj Pawar 5 years, 3 months ago

*** andhi ho kya text book main dekh

Sudhansh Rajput 5 years, 3 months ago

p(x)=(x-1) (x+1) find p(0),p(1),p(2) maths Ex 2.2 Q2

ANSWER

3upon8 and 2upon5 find rational number

Posted by Arpit Shukla 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Pankaj Pawar 5 years, 3 months ago

B*ap ko puchega

ANSWER

Find the sq root of 418 by division method

Posted by Sabi Arora 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What is the degree of polynomial p(x)=√5

Posted by Bharti Sankhla 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Srajan Swarnkar 5 years, 3 months ago

?????????????????️??????‍❤️‍?‍?❣️

Yogita Ingle 5 years, 3 months ago

The power of the constant polynomial is Zero. So, degree of constant is zero.
The degree of polynomial p(x)=√5 is zero.

ANSWER

एक्स प्लस वन अपऑन एक्स इस इक्वल टू फाइव

Posted by Atul Bhatkar 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Out of the following given fugure,which are on the same base but not between the same parallels

Posted by Umang Baisla 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

X⅔

Posted by Dipak Singh 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

9999999^99999999999^99999999999^999999999

Posted by Suman Devi 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Srajan Swarnkar 5 years, 3 months ago

987 e a 7 i v f and final

ANSWER

What is green revolution

Posted by Harshit Agarwal 5 years, 3 months ago

CBSE > Class 09 > Mathematics

3 answers

Navneet Singh 5 years, 3 months ago

In this revolution the farmers who do not able to purchase the seeds and other materials the will provide them hyv seeds and other useful material for farming.

Dipak Singh 5 years, 3 months ago

It is same as given abovr

Yogita Ingle 5 years, 3 months ago

The ‘Green Revolution’ was introduced in India, in the late 1960s. Indian farmers used it for the production of major food crops like wheat and rice. They made use of the High Yielding Variety seeds, which produced much greater yield than the traditional seeds. However, they needed plenty of water, chemical fertilisers and pesticides to produce best results.

ANSWER

Find irrational number between √2 & √5

Posted by Karan Shishodia 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Shourya Kumar 5 years, 3 months ago

by using m+1fourmula

ANSWER

Find four Solutions of 3x + y = 5

Posted by Angel Anjali 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Ritika Shaw 5 years, 3 months ago

0

Ritu Sahu 5 years, 3 months ago

Y=5-3x If x=o, then y =2 Similarly you put the value of x then solve it You get four solutions

ANSWER

Why do we need a general form in mathematics

Posted by Rakesh Kumar 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Srajan Swarnkar 5 years, 3 months ago

Xxxxxx

ANSWER

Very simple subject

Posted by Suresh Chandrawanshi 5 years, 3 months ago

CBSE > Class 09 > Mathematics

5 answers

Ritu Sahu 5 years, 3 months ago

I think only maths subject is hard

Srajan Swarnkar 5 years, 3 months ago

Arts

Tanvi Toor 5 years, 3 months ago

Maths and whole science ?

45516111? 46 5 years, 3 months ago

Physics

Namanpreet Kaur 5 years, 3 months ago

hmmm i think it is hindi

ANSWER

Find one rational number between 4/5 and 5/13

Posted by Mohammed Adil 5 years, 3 months ago

CBSE > Class 09 > Mathematics

3 answers

Mousmi Panda Mitsubishi Panda 5 years, 3 months ago

4/5 = 4^10/5^10 = 40/50 5/13=5^10/13^10=50/130

45516111? 46 5 years, 3 months ago

4/7

Ariz Azeem 5 years, 3 months ago

Write the follow in the expanded form. (a+2b+c)

ANSWER

How do we get that we have to conver x-1 or we don't have to conver

Posted by Shaba Shaba 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Simplify. √72/5√72+3√288-2√648

Posted by Jitendra Paswan 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the zero of polynomial P(x)=4xsqure - 48

Posted by Dhara Boricha 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Shreeya Chauhan 5 years, 3 months ago

4x-48=0 4x=48 x=12

Karansinh Jadeja 5 years, 3 months ago

-48

ANSWER

P(x)=cx+d is a zero polinomial. What is the value of x

Posted by Yashwanth Yashwanth 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Shreeya Chauhan 5 years, 3 months ago

Cx+d=0, Cx=-d, x=-d/c

Hariram.S Hariram.S 5 years, 3 months ago

Exercise 2.5

ANSWER

Factorice 16/9x²-1/y²

Posted by J Tech 5 years, 3 months ago

CBSE > Class 09 > Mathematics

2 answers

Suryansh Burman 5 years, 3 months ago

=(4/3x)^2 - (1/y)^2 =(4/3x + 1/y)(4/3x - 1/y)

Shreeya Chauhan 5 years, 3 months ago

(3x/4)2-(1/y)2, 3x/4-1/y

ANSWER

How to show root 3 on the number line

Posted by Jatin Gyanani 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Lucky Patel 5 years, 3 months ago

1.7305081

ANSWER

Show root 2 on the number line

Posted by Jatin Gyanani 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

By factor theorem,Show that X-1 is a factor of x*x*x -23x*x +142x-120 Using long divisio or otherwise Factorise the polynomial compleltely

Posted by Mohan Lal 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Determine the degree of the polynomial √5

Posted by Ananyaaa P 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Tanvi Toor 5 years, 3 months ago

One 1

ANSWER

Factorise -21x²_2x+1/21

Posted by Vikas Patel 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Vikas Patel 5 years, 3 months ago

1) let L.C.M = 441x² - 42x+ 1/21 1/21((21)²+(1)²-2×21×1

ANSWER

Rationalise: under root 5 - 3/under root 5 + 3

Posted by Kanak Sharma 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Rahul Singh 5 years, 3 months ago

What do you understand by rationalise

ANSWER

1/√5-√2+√6 rationalise denominator

Posted by Adeeba Khan 5 years, 3 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

To Prove that sum of triangle is 180°

Posted by Shaurya Kumar 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Kap Sharma 5 years, 3 months ago

Draw a triangle and mark angles A,B and C cut these angles and join them in a shape of semicircle .you will see that it lies on a straight line . And we know a straight line have 180 degree . This proves that the sum of triangle is 180°

ANSWER

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