x²+y²+z² = 115, xy+yz+zx = 50 .find the value of x+y+z
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Answered by
1
Answer:
√115
Step-by-step explanation:
shayad hi thik hai answer
Answered by
2
(x+y+z)^2=115
And eqn 2,
2x + 2y+2z = 50
2(x+y+z)= 50
x+y+z = 50/2
x+y +z = 25......eqn 1 Ans of x+y+z
(x+y+z)*2 = 115
Therefore, From Eqn 1
( 25)*2 = 115
625 - 115 = 510 Full Ans
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