Question

${a + {b}^{2} }^{} + {c}^{2} = 250 \: and \: ab + bc + ca = 3then \: find \: the \: value \: of \: a + b + c$
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Answer 1

Answer:

ans is 750

Explanation:

Answer 2

Explanation:

a2+b2+c2=250 & ab+bc+ac=3, find a+b+c

→ the general formula

(a+b+c)2=a2+b2+c2+2(ab+bc+ac)

=250+2(3)

=250+6

∴(a+b+c)2=256

∴a+b+c= √256

∴a+b+c=16