Math, asked by kshitij001, 4 months ago

If 3a + 4b =9 and ab =2, find the value of 27 a3 + 64 b3

Answers

Answered by bhatbhargavi06

2

Answer:

27a³+64b³= 81

Step-by-step explanation:

3a+4b=9 (Given)

ab=2

(3a+4b)³= 27a³+64b³+3×3a×4b(3a+4b)

9³= 27a³+64b³+ 36ab×9 Since (3a+4b=9)

729=27a³+64b³+ 36×2×9 Since(ab=2)

729=27a³+64b³+648

729-648=27a³+64b³

27a³+64b³= 81

Please mark as brainliest.

Previous Question

Next Question

Similar questions

English, 2 months ago

Shut the door. What is subject here?

English, 2 months ago

1) What is the message that the mother is conveying to the son? Explain with examples from the poem. (5 marks)(poem mother to son by Langston Hughes) AND 2) What are the important metaphors that are used in the poem? How do they help in vividly communicating the mother's message to her son?)(poem mother to son by Langston Hughes)...

English, 2 months ago

Thereisanerrorineachline.Theincorrectwordshavebeenfoundreplacethecorrectionbyusingtheoptionsgiven Childrenarefondtococonut.Itisthe a) ________ ________ Biggestofallthenuts,andareindeedawonderfulb)________ ________ Fruit.Itgrowsonatallpalmtreeandisfind c)________ ________ Intropicalcountriesroundaseashore.The d) ________ ________ NamewasgivingtoitbythePortuguesebetween,e)________ ________...

Computer Science, 4 months ago

4. The processing device, a computer chip that does the processing is the ________.

Math, 4 months ago

Q16 * If 8 ( 2x - 5) - 6 ( 3x – 7 ) = 1, then x is (a) 2 (b) 3 (c) (d) 2 a Ob с Od...

Chemistry, 10 months ago

What are the characteristics of the particles...

Math, 10 months ago

if x=1/4-x find the values of:– 1. x+1/x 2. x³+1/x³ 3. x^6+1/x^6 ...

Math, 10 months ago

Five years hence, bovita age will be two times the age of his borthero years ago she was o times as old as his hot brother represent fvo situation algebrically and graphically...