Bantu nomor 6 yaa makasih

 ∫ √(t⁴ -3t²) dt =
= ∫ √t²(t²-3)
= ∫ t √(t²-3) dx

u = t² -3
du = 2t dt
t dt = 1/2 du

= ∫ t √(t² -3) dt
= ∫ 1/2 du . √u dt
=∫ 1/2 u¹/² dt
= 1/2. 2/3 . u³/² + c
= 1/3. u √ u + c
= 1/3 (t²-3)√(t²-3) + c