From a class of 15 students, 10 are to chosen for a picnic. There are two students who decide that either both will join or none of them will join. In how many ways can the picnic be organized?
Find dy/dx ? Y=sin inverse 2 to power of x+1divided by 1+4 to the power of x
upper limit of integration 3 and lower limit of integration -3 x dx =9