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if frac 42 19x x 2 1 x 4 ...
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medium
If $\frac{42-19x}{(x^{2}+1)(x-4)}=\frac{Ax+B}{x^{2}+1}+\frac{C}{x-4}$ then $B =$
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To find constants in partial fractions, substitute values of $x$ that make terms zero or compare coefficients of like powers.
AP ECET Metallurgical Eng - 2026
AP ECET Metallurgical Eng
Updated On:
Jul 4, 2026
-11
11
-2
2
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The Correct Option is
D
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