Question 6
For \(b\ge1\), let \(\displaystyle I(b)= \int_{1}^{b} 9x^{- \frac{5}{2}}\, dx\).
Find I(b).
Evaluate \(\displaystyle \int_{1}^{\infty} 9x^{- \frac{5}{2}}\, dx\).
Find b when \(\displaystyle I(b)=\frac{21}{4}\).
Complete-answer checking, worked solutions and indicative written criteria.
Open the complete answer form