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Π ∫ − π X 10 Sin 7 X D X - Mathematics

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प्रश्न

\[\int\limits_{- \pi}^\pi x^{10} \sin^7 x dx\]

योग
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उत्तर

\[\int_{- \pi}^\pi x^{10} \sin^7 x d x\]

\[Let f\left( x \right) = x^{10} \sin^7 x\]

\[\text{Consider }f\left( - x \right) = \left( - x \right)^{10} \sin^7 \left( - x \right) = - x^{10} \sin^7 x = - f\left( x \right)\]

Hence f(x) is an odd function

Therefore

\[ \int_{- \pi}^\pi x^{10} \sin^7 x d x = 0\]

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Definite Integrals
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 20: Definite Integrals - Revision Exercise [पृष्ठ १२२]

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आरडी शर्मा Mathematics [English] Class 12
अध्याय 20 Definite Integrals
Revision Exercise | Q 55 | पृष्ठ १२२

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