Add like terms
2+4i +7 +11 i =
2+7 + 4i+11i =
9+15i
r/s ×3
calculate the product
r×3/s
use the commutative property to reorder the terms
Answer : 3r/s
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Step-by-step explanation:
use Pythagoras theorem,
Step-by-step explanation:
According to the pythagrean equation, it should be
8² = 6² + BC²
64 = 36 + BC²
BC² = 28
BC = ✓28 = 5.29