Derivative of a Determinant
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Q. If f(y)=∣∣
∣
∣∣(1−y)a1b1(1−y)a1b2(1−y)a1b3(1−y)a2b1(1−y)a2b2(1−y)a2b3(1−y)a3b1(1−y)a3b2(1−y)a3b3∣∣
∣
∣∣ and ai, bi are even for i=1, 2, 3, then f′(2) is .
Q. If f(y)=∣∣
∣
∣∣(1−y)a1b1(1−y)a1b2(1−y)a1b3(1−y)a2b1(1−y)a2b2(1−y)a2b3(1−y)a3b1(1−y)a3b2(1−y)a3b3∣∣
∣
∣∣ and a, b are even for i=1, 2, 3. then find f′(2)