JEE Main 2026 Mathematics question
Let x and y be real numbers such that , i = √−1. Then the value of 10(x − 3y) is:
Answer: (D)
Solution
2x/(1 + 3i) = x(1 − 3i)/5 and y/(1 − 2i) = y(1 + 2i)/5, so the left side is 10(x − y) − 10i(3x + 2y) = 31 +
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