Question

find the value of 27x³ + 5y³ if 3x+2y=14 and xy=8​

Answer 1

Step-by-step explanation:

Plz check whether the question given by you is correct. Instead of 5y³ there will be 8y³

Please check it !!!!

Thank you. !!

Answer 2

Answer: 728

Step-by-step explanation:

=> (3x+2y)^3 = 14^3

=> 27x^3+8y^3+3(3x)(2y)(3x+2y) = 14*14*14

=> 27x^3+8y^3+18(8)(14) = 2744 ( As, 3x+2y=14 & xy=8)

=> 27x^3+8y^3+2016 = 2744

=> 27x^3+8y^3 = 728

Also, your question is wrong. It should be 8y^3, not 5y^3