Sum
Solve for a, b and c if `[(-4, a + 5),(3, 2)] = [(b + 4, 2),(3, c- 1)]`
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Solution
If two matrices are equal, then their corresponding elements are also equal.
a + 5 = 2 ⇒ a = -3
-4 = b + 4 ⇒ b = -8
2 = c – 1 ⇒ c = 3
Concept: Introduction to Matrices
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