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(a + b)2 = a2 + 2ab + b2 (a – b)2 = a2 – 2ab + b2 a2 – b2 = (a + b)(a – b) (x + a)(x + b) = x2 + (a + b) x + ab (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca (a + b)3 = a3 + b3 + 3ab (a + b) (a – b)3 = a3 – b3 – 3ab (a – b) a3 + b3 + c3– 3abc = (a + b + c)(a2 + b2 + c2 – ab – bc – ca)

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Aamna Shaikh 9 months ago

(a+b)²=a²+2ab+b²

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Arpit Sharma Sharma 9 months ago

(a+b)²- a²+2ab+b²

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Posted by Umesh Kumar 9 months ago

CBSE > Class 09 > विज्ञान

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Different between cell membrane and paslma membrane

Posted by Smriti Singh 9 months ago

CBSE > Class 09 > Science

4 answers

Ankita Yadav 8 months, 4 weeks ago

Matter is a substance made up various types of particles tha occupied physical space. And has enteriya

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Mugdha 9 months ago

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Kunal Education 9 months ago

Both are the same only name different

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Muskan Yadav Muskan Yadav 9 months ago

What is matter

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What is the work to be done to increase the velocity of car from 30km h‐¹ to 60km h‐¹ if mass of the car is 1500kg?

Posted by Utkarsh Wani 9 months ago

CBSE > Class 09 > Science

2 answers

Samrat Pande 8 months, 3 weeks ago

Change in kinetic energy=work done Change in kinetic energy=1/2m(v^2-u^2) =1/2×1500(60^2-30^2) =750(3600-900) =750(2700) =2025000J

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Zaina Khan 9 months ago

Convert initial and final velocity in m/s then use the formula 1/2m(v square - u square) you'll get the answer

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Posted by Laxmi Kumari 9 months ago

CBSE > Class 09 > Social Science

1 answers

Tanvi Tanusha 9 months ago

The major causes of poverty in India are listed below - unemployment - distribution of resources in an unequal manner - slow economic development - low literacy rate - rise in population - poor health - child labour

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Posted by Raunak Agrahari 9 months ago

CBSE > Class 09 > English Lang & Lit. (184)

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Ex 7.1 Q8

Posted by Abhinav Sain 9 months ago

CBSE > Class 09 > Mathematics

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A Bus stop is Barricaded from the rem - -aining part of the road, by using 50 hollow Cones made of recycled Cardboard. Each Cone • has a base diameter of 40cm and heigh 1m. If the Outer side of each of the Cones is to Be painted and the Cost of Painting is Rs 12per m², what will be the cost of Painting all these 2 Cones (user = 3.14 and take √1.04 = 1.02)

Posted by Krishna Yadav 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Abhinav Sharma 9 months ago

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Posted by जय श्री राम 9 months ago

CBSE > Class 09 > Science

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Posted by Khushi Pal Pal 9 months ago

CBSE > Class 09 > Science

3 answers

Sara Siddiqui 9 months ago

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Ayush Kumar 9 months ago

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Khushi Pal Pal 9 months ago

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What do you mean by samaas

Posted by Khushi Tabassum 9 months ago

CBSE > Class 09 > हिंदी ब

1 answers

Vashu Jangid 8 months, 1 week ago

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Describe the three economic benefits of rivers

Posted by Soumya Patel 9 months ago

CBSE > Class 09 > Social Science

1 answers

Ankita Yadav 8 months, 4 weeks ago

Irrigation Hndrogation Navigation

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Write the equation 4y=13 in standard form and write the value of a,b and c.

Posted by Anushka Siwach 9 months ago

CBSE > Class 09 > Mathematics

2 answers

Abhinav Sain 9 months ago

A = 0 Y= 4 C = -13

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Deepak Pathak 9 months ago

0x+4y+(-13)and x=0, y=4and C=-13

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Posted by Abhishri K 9 months ago

CBSE > Class 09 > Regional Language

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Which is the largest rever basin in India

Posted by Royal Vinom 9 months ago

CBSE > Class 09 > Social Science

2 answers

Abhijit Garai 9 months ago

Ganga

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Akash Samantara 9 months ago

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3^x-3^x-1=54

Posted by Shrushti Shrushti 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Sagar Tripathi 9 months ago

1=-54

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What is 3 estate ?

Posted by Pritesh Padhy 9 months ago

CBSE > Class 09 > Social Science

1 answers

Pritesh Padhy 9 months ago

the constitutional theorist Emmanuel-Joseph Sieyès asserted that the Third Estate really was the French natio

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Which method is commonly used for improving cattle breeds and why?

Posted by Twinkle Shekhawat 9 months ago

CBSE > Class 09 > Science

2 answers

Sara Siddiqui 9 months ago

Artificial method is used

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Sumit Kumar Gupta 9 months ago

Cross building method is commonly used for improving cattle breeds

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In fig ad is the median and DE parallel to AB prove that BEis the median

Posted by Himanshu Rajawat 9 months ago

CBSE > Class 09 > Mathematics

0 answers

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Which organelle is calling the powerhouse of the cell

Posted by Akshay Kumar 9 months ago

CBSE > Class 09 > Science

5 answers

Tannu Sishwal 9 months ago

Mitochondria are known as the powerhouse of cells. It is because the mitochondrion is the site of cellular respiration where energy in the form of ATP (Adenosine triphosphate) is generated as a result of oxidation of food constituents. This energy is required for various chemical activities needed for life.

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Piyush Priyadarshee Behera 9 months ago

Mitochondria

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Neelam Kunwar Solanki 9 months ago

Mitochondria is known as power house of cell because they play a crucial role in generating energy (ATP) through cellular respiration. This organelle converts nutrients into ATP, providing the energy needed for various cellular activities. ATP 👉Adenosine triphosphate

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Prashant Kumar 9 months ago

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Anirudh Sharma 9 months ago

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The ratio of the volumes of the two cones is 4:5 and the ration of their bases is 2:3.find the ratio of their vertical height

Posted by Yukti Jain 9 months ago

CBSE > Class 09 > Mathematics

0 answers

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Spending time for their kids bring immediate for their long last gain for apparents according to a research children's with the consult parents are more efficient find the error and their correction

Posted by Shreeshail Emmi 9 months ago

CBSE > Class 09 > English Lang & Lit. (184)

1 answers

Rehan Khan 9 months ago

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Legacy of france

Posted by .. .. 9 months ago

CBSE > Class 09 > Social Science

2 answers

Tannu Sishwal 9 months ago

Some of the most important democratic rights which we enjoy today can be traced back to French Revolution are: We enjoy the Right to vote, which began during this revolution. Right to property is another important right we enjoy, which can be attributed to the fruits of this revolution.

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Ritika Kumari 9 months ago

What democracy

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Define solution, solute and solvent with examples

Posted by Nivedita Niveditha 9 months ago

CBSE > Class 09 > Science

1 answers

Tannu Sishwal 9 months ago

The solvent is the material that usually decides the solution's physical state (solid, liquid or gas). The solute is the product that the solvent dissolves. A solution of salt and water, for example, has water as the solvent and salt as the solute.

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The internal and external radii of a semi- spherical cup are r₁ and r₂ respectively. The curved surface area of the cup is (a) \pi({r_{1}}^{2}+r_{2}^{2}) (c) 2\pi(r_{2}^{2}-r_{1}^{2}) (b 2\pi(r_{1}^{2}+r_{2}^{2}) (d) \pi({r_{2}}^{2}-{r_{1}}^{2})

Posted by Krishna Singh 9 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If 4^x+4^x-1=32 find x

Posted by Kashish Shetty 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Harshit Gupta 9 months ago

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Pollution has become a serious problem

Posted by Yash Singhz 9 months, 1 week ago

CBSE > Class 09 > English Lang & Lit. (184)

1 answers

Braiñ Cjl Marshillong 9 months ago

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What is the full form of C P C T

Posted by Laxmi Kumari 9 months, 1 week ago

CBSE > Class 09 > Mathematics

5 answers

Tannu Sishwal 9 months ago

CPCT refers to Corresponding parts of Congruent Triangle, i.e. if 2 triangles are congruent, they are exactly the mirror images of each other and the corresponding parts of both the triangles including length of sides as well as angles can be inferred to be equal. Q.

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Vibhanshu Kumar 9 months ago

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Kashish Shetty 9 months ago

Corresponding parts of congruent triangle

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Aryan Shukla 9 months, 1 week ago

Corresponding part of congruent triangle

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Runakshi Aggarwal 9 months, 1 week ago

Corresponding part of triangles

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