Materi kelas 11, integral tak tentu

1.
intg [2x^(-2) + x^(-1/2)] dx
= intg 2x^(-2) dx + intg x^(-1/2) dx
= [ 2/(-2 + 1) * x^(-1)] + [ 1/(-1/2 + 1) * x^(-1/2 + 1)] +C
= [ 2/-1 * x^(-1)] + [ 1/(1/2) * x^(1/2)] + C
= [ -2x^(-1)] + [ 2x^(1/2)] + C
= [ -2/x ] + [2√x] + C