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Flag 10 grade maths> If(2a+2)^2+(4b-3)^2+(4c-5)^2=0 then find ...
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If(2a+2)^2+(4b-3)^2+(4c-5)^2=0 then find the value of a^3+b^3+c^3-3abc/a^2+b^2+c^2
Please give me the answer in step wise

Malyarpita Singh , 7 Years ago
Grade 10
anser 1 Answers
Arun

Last Activity: 7 Years ago

Dear student
 
Sumnof all the squares is 0 only when numbers in brackets zero.
 
Hence
 
2a +2 = 0
a = -1
 
4b -3 = 0
b = ¾
 
4c -5 = 0
c = 5/4
 
Now put these values  in the expression
 
 

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