If a-b-c-9 and a b-b c-c a-23- then a2-b2-c2-a 35b 58c 127d none of these

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Properties of Addition and Subtraction

If a+b+c=9 an...

Question

If a + b + c = 9 and ab + bc + ca = 23, then a² + b² + c² =

(a) 35

(b) 58

(c) 127

(d) none of these

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If a + b + c = 9 and ab + bc + ca = 23, then $a^{2} + b^{2} + c^{2}$ =

a^{2} + b^{2} + c^{2} = 35

a b + b c + c a = 23

a + b + c

Find $a^{2} + b^{2} + c^{2}; i f a + b + c = 9 a n d a b + b c + c a = 24$

a + b + c = 9

a b + b c + c a = 26

a^{2} + b^{2} + c^{2}

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