Math, asked by jyashrajiv, 17 days ago

if 2m-5n = 3 and mn= 2 evaluate 8m^3-125n^3

Answers

Answered by bson

1

8m³-125n³

= (2m)³ - (5n)³

=(2m-5n)³-3*2m*5n(2m-5n)

=3³ - 30*2*3

=27-180 = -153

Previous Question

Next Question

Similar questions

Math, 8 days ago

Sam spends 1 hour per day to study science and 25 minutes to study mathematics what is ratio of the time spent on studying science to the time spent onsrudying mathematics...

Physics, 8 days ago

List out the various methods for finding velocity & acceleration analysis of mechanism?

Hindi, 8 days ago

Decrease 840 in the ratio of 3:4...

Computer Science, 17 days ago

Fill in the blanks: 1._______ a set of procedures, moral principles and ethical practices that regulates the use of computer. 2. The simplest way to prevent plagiarism is the _______ 3. _______ is an act of harming , harassing or targeting a person by another person using Internet a deliberate manner. 4. An illegal intrusion into a computer system or network is known as _______ 5. _______ is a...

Science, 17 days ago

е e will lant 2. Ali has an aquarium with guppies. Guppies, like other living things, need oxygen to live. One way to supply oxygen to the guppies is to fit an air-pump in the aquarium. a. Instead of fitting an air-pump, Ali places some water plants in the aquarium and the guppies survive. Explain why. Serbian he air b. Will the guppies still survive if Ali places the aquarium in a dark place...

Math, 9 months ago

a two digit number divided by another two digit number gives 5.875 what are the number...

English, 9 months ago

she does not belong _ our team ...

Computer Science, 9 months ago

What is internet? or please mughe follow karlo me apko follow karoga...