Question

if a²+b²+c²=50 and ab+bc+ca=3 find a+b+c​

Answer 1

Answer:

Here is your answer........

Answer 2

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$\large\purple{\underline{\blue{\rm\:given:}}}$

• a^2+b^2+c^2= 250

• ab+bc+ca= 3

$\large\blue{\underline{\pink{\rm\: Solution*:}}}$

➜put the value of equation to the respective formula

• (a+b+c)^2= 250 +2(3)

• (a+b+c)^2= 250+ 6

• (a+b+c)^2= 256

• a+b+c= squareroot of 256 which is 16

$\large\purple{\underline{\orange{\rm\: Answer : 16.}}}$