Question

if a/b=b/c show that (a-b+c)(a+b+c)=a²+b²+c²​

Answer 1

Answer:

....

Step-by-step explanation:

the answer is

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5 5 6

7 14 21

=

1. 5

7

2. 6

49

3. 5

49

4. 40

49