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Integrals

Question
CBSEENMA12032385

Evaluate the following definite integral
integral subscript 4 superscript 5 straight e to the power of straight x dx

Solution

Let I = integral subscript 4 superscript 5 straight e to the power of straight x space dx space equals space open square brackets straight e to the power of straight x close square brackets subscript 4 superscript 5 space equals space straight e to the power of 5 space minus space straight e to the power of 4 space equals space straight e to the power of 4 left parenthesis straight e minus 1 right parenthesis

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