if a^2+b^2+c^2 +170 = 2(8a+5b-9c) then find the value of (4a+8b-c)^0.5
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SOLUTION
GIVEN
TO DETERMINE
The value of
EVALUATION
We know if the sum of the squares of three Real Numbers are zero then they are separately zero
Thus we get
a - 8 = 0 , b - 5 = 0 , c + 9 = 0
Consequently we get
a = 8 , b = 5 , c = - 9
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