Math, asked by AvishkarPancharas, 7 months ago

Evaluate using identity :-
1) (x – 2y)^3

Answers

Answered by mishrasaloni197

1

Step-by-step explanation:

(x-2y)³ = x³-(2y)³-3(x)²(2y) +3(x)(2y)²

because (a-b)³ = a³-b³-3a²b+3ab²

= x³-8y³-6x²y+12xy²

Previous Question

Next Question

Similar questions

Science, 3 months ago

state the demerits of mendeleevs periodic table based on following points : isotopes...

Math, 3 months ago

In two dice game, the player take turns to roll both dice, they can roll as many times as they want in one turn. A player scores the sum of the two dice thrown and gradually reaches a higher score as they continue to roll. If a single number 1 is thrown on either die, the score for that whole turn is lost. Two dice are thrown simultaneously 37. What is the probability of getting the sum as...

Chemistry, 3 months ago

urea is a very important nitrogenous fertilizer. it's formula is con2h4. calculate the percentage of carbon in urea...

Business Studies, 7 months ago

what are the advantages of business...

Math, 7 months ago

simplify the following ³√4 x ⁷√4 x √4...

English, 1 year ago

One day in spring four men were riding on horseback along a country road. These men were lawyers, and they were going to the next town to attend court. There had been a rain, and the ground was very soft. Water was dripping from the trees, and the grass was wet. The four lawyers rode along, one behind another; for the pathway was narrow, and the mud on each side of it was deep. They rode slowly,...

French, 1 year ago

जीवन ने प्राण से पूछा - इस समय मेरी घड़ी में 9 PM हो रहा है, तो बताओ 23, 999, 997 घंटे के बाद क्या समय होगा? जीवन के पास इसका जवाब था, क्या आप के पास है?

English, 1 year ago

how does the guru manage to save his descipline'&life in the story of in the kingdom of fools?