Let 0<A,B< 2 . If A= ^ -1 ( x 3 2k-x ) and B= ^ -1 ( 2x-k k 3 ), then the value of A-B (in degrees) is ____.

JEE Main Mathematics question

Let . If and , then the value of (in degrees) is .

Answer: 30

Put and , so . Numerator:

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Question ID VK-008647