Math, asked by jangiranilsharma, 10 months ago

39 ka whole cube minus 21 ka whole cube using suitable identities evaluate each of the following

Answers

Answered by abhishekkanoongooffi

1

Step-by-step explanation:

bhai click the photo of questions and upload it .

i am not able to understand it.

Answered by akashgoswami2510

4

Answer:

put the formula of identities a^3-b^

(a-b)(a^2+ab+b^2)

(39-21)(39^2+39×21+21^2)

18(1521+819+441)

18×2781

50058

Previous Question

Next Question

Similar questions

Science, 5 months ago

MCQs 1. Which of these is a fibre derived from chemicals ? 2. Which of these plastic is a polymer ?

Math, 5 months ago

1,3,9,15,25,35,48...next...

Physics, 5 months ago

Mendeleev predicted the existence of certain elements not known at his time. He named these elements eka-aluminium and eka-silicon. (a) Name the elements which have taken the place of these elements. (b) Which of these two elements is metalloid?

Economy, 10 months ago

how many times won the match CSK in final...

Physics, 10 months ago

find the position and nature of the image of an object of height 3 cm when placed 60 cm from a convex mirrorof focal length 15 cm...

Social Sciences, 1 year ago

5 Characteristics of Maharashtra Goa belt...

Social Sciences, 1 year ago

how did political factors lead the first world of India independence ...

Math, 1 year ago

I need help someone just explain how to solve these please The Pythagorean Triple Threat is a coed softball team. League rules require the batting order to alternate boy-girl-boy-girl… (or girl-boy-girl-boy…). If there are five girls and five boys on the team, how many different batting orders are possible? Eight boys and seven girls showed up to one of the team’s games. League rules limit...