Question:x + y = 2 হলে, দেখাও যে, `x^3 + y^3 + 6xy = 8` 

Answer দেওয়া আছে, x + y = 2 বামপক্ষ `= x^3 + y^3 + 6xy` `= (x + y)^3 - 3xy (x + y) + 6xy` `= (2)^3 - 3xy. 2 + 6xy` [মান বসিয়ে] `= 8 - 6xy + 6xy` = 8 = ডানপক্ষ `:. x^3 + y^3 + 6xy = 8` 

+ Report
Total Preview: 3430
x + y = 2 hole, dekhao je, `x^3 + y^3 + 6xy = 8`
Copyright © 2024. Powered by Intellect Software Ltd