Pls provide me the solution to this question asap..thank you

Dear student,24x2+x2x+1dxLet 2x+1=t   x=t-12   at x=2 t=5at x=4 t=9Diff. wrt xdx=dt2Now replace value of x and dx in the main eqn.59t-122+t-12t×dt2t-122+t-12t=t2-2t+14+t-12t=t2-2t+1+2t-24t=t2-14t=14t32-t-125914t32-t-12×dt2=1859t32-t-12dt=1825t52-2t1259=1825(952-552)-2(912-512)=9.16Regards

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