Find the Derivative of the Function $$g ( x ) = \int _ { \cos x } ^ { 9 x } \cos \left( t ^ { 3 } \right) d t$$

Q16: Find the indefinite integral. <span

Q17: <span class="ql-formula" data-value="\text { Show that }

Q18: Approximate the area under the curve

Q19: Find the indefinite integral. <span

Q20: Evaluate the Riemann sum for

Q22: <span class="ql-formula" data-value="\text { Find a function

Q23: Evaluate the integral by making the

Q24: Find the indefinite integral. <span

Q25: The table gives the values of

Q26: <span class="ql-formula" data-value="\text { Find the interval