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Assertion (A): If \( \mathrm{x} \) and \( \mathrm{y} \) are the distance along \( \mathrm{x} \) and \( \mathrm{y} \) axes respectively then the dimensions of \( \frac{d^{3} y}{d x^{3}} \) is \( \mathrm{M}^{0} \mathrm{~L}^{-2} \mathrm{~T}^{0} \).
Reason (R): Dimensions of \( \int_{a}^{b} y d x \) is \( \mathrm{M}^{0} \mathrm{~L}^{2} \mathrm{~T}^{0} \).
(1) Assertion (A) is true, Reason (R) is true; Reason (R) is a correct explanation for Assertion (A).
(2) Assertion (A) is true, Reason (R) is true; Reason (R) is not a correct explanation for Assertion (A).
(3) Assertion (A) is true, Reason (R) is false.
(4) Assertion (A) is false, Reason (R) is true.
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