Suppose 5
Suppose z5=2+3i and z6=6+9i are complex numbers and 3 z5 + 7 z6= m+in. What is the value of m and n?
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https://www.hackmath.net/en/calculator/complex-number?input=3%E2%8B%85%20 (2%2B3i)%2B7%E2%8B%85%20(6%2B9i)
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