Math, asked by tabassumjawed127, 11 months ago

If a+b-c=7 and ab-bc-ca=14 find a²+b²+c²​

Answers

Answered by Anonymous
5

Step-by-step explanation:

(a+b-c)² = 49

a²+b²+c²+2(ab-bc-ac) = 49

a²+b²+c² = 49-2*14 = 49-28 = 21

Answered by aksharakawade7c
0

Answer:

21

Step-by-step explanation:

(a+b-c)² = 49

a²+b²+c²+2(ab-bc-ac) = 49

a²+b²+c²

= 49-2*14

= 49-28

= 21

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