When solving the system of equations, which expression could be substituted for r in the first equation?
1 answer:
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Answer with explanation:
⇒A segment , is equivalent to
.
⇒We can assert this by this way, if Distance between Two points A and B is 6 unit, then Distance between B and A will be 6 unit also.
So,
FM−→−⇒MF−→−
Option A