Question

a²+b+c2=89
ab-bc ca = 16
16 Find out a+b-c and explain it with formulae​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

we know that

(a+b-c)² =a² b²+c²+2 (ab -bc-ca)

substituting given values

(a+b-c)² =89+2(16)

(a+b-c)²=121

(a+b-c)²=11

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