Question

please solve this question​

Answer 1

Answer:

$a^{2}+b^{2}+c^{2} = 100$

Step-by-step explanation:

identity= $(a+b +c)^{2}= a^{2}+b^{2}+c^{2}+2(ab + bc + ca)$

put the value

⇒ $(12)^{2} =a^{2}+b^{2}+c^{2} + 2(22)$

⇒ $144 = a^{2}+ b^{2}+ c^{2}+44$

⇒ $144 -44 = a^{2}+ b^{2}+ c^{2}$

⇒ $a^{2}+b^{2}+c^{2} = 100$

please mark as brainliest

Answer 2

Answer:

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