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Please solve RD Sharma class 12 chapter 19 Definite Integrals exercise Very short answer type question 38 maths textbook solution

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Answer: \frac{1}{2}

Hint: you must know the rule of integration

Given: \int_{0}^{1.5}[x] d x

Solution:  \int_{0}^{1.5}[x] d x

\begin{aligned} &=\int_{0}^{1} 0 d x+\int_{1}^{1.5} 1 d x \\\\ &=[x]_{1}^{1.5} \end{aligned}

\begin{aligned} &=[1.5-1] \\\\ &=0.5 \\\\ &=\frac{1}{2} \end{aligned}


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