x+5y=10
Find the value of x^3+125y^3+150xy-1000
Answers
Answered by
11
Answer:
(x+5y)^3 = 10^3
Step-by-step explanation:
x^3 +125y^3 + 150xy -1000
x^3 + (5y)^3 - 3(x)(5y)(-10) + (-10)^3
(x+5y)^3 = 10^3
x+5y =10 : cubing on both the sides we get x^3+125y^3+150xy = 1000
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Answered by
13
Answer:x+5y= 10
(x+5y)^3 =10^3
x^3+125y^15xy(x+5y) =1000
where x+5y= 10
x^3+125y^3+150xy-1000= 0
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