Math, asked by SMARTAlessia1751, 6 months ago

solve using identity[2a - 7b] [2a - 7b]

Answers

Answered by usernametaken8

0

Step-by-step explanation:

Using, (a-b)² = a²+2ab+b²

(2a-7b)²

= 4a² + 49b² - 28ab

Answered by adityassingh651

0

Answer:

(2a - 7b)^2 = (2a)^2 + (7b)^2 - 2× 2a× 7b

= 4a^2 + 49b^2 - 28ab

Previous Question

Next Question

Similar questions

World Languages, 3 months ago

What impact did the book ""The lives of Saints"" have on Akisionov?

Social Sciences, 3 months ago

1.Iam the traveller from venice 2.i visited the backwaters of thoothudi district twice 3.i noted that thousand of horses were imported from persia and arabia 4. I came to tamil nadu inthe thirteenth century to the pandya empire...

Social Sciences, 3 months ago

People are unware about the benefits of tree plantation...

English, 6 months ago

Describe the suit stations that made the writer features the polite conductor...

Math, 6 months ago

find the total surface area of aa cylinder of height 20 cm and curved surface area 1760 cm2 please answer me...

Math, 1 year ago

The numberx is more than the numbery.if the sum of the squares of x and y is 34; find the productvof x and y.

Math, 1 year ago

(-3)+1+19please it is important...

English, 1 year ago

Poem - The Road Not Taken Extract Based Questions. Q1. And both that morning equally lay In leaves no step had trodden black. Oh, I kept the first for another day! Yet knowing how way leads on to way, I doubted if I should ever come back. i) What does ‘both’ in line 1 refer to? ii) “Oh, I kept the first for another day!”...