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VED1
E L-LOVELY-H math13-1 IInd 6-8-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12
noEPk;soh dk rfDs
B'N jZb L wzfBnk cos x = t
∴ –sin x dx = dt
∴ sin x dx = –dt
T[Zso
T[dkjoD 6H wkB gsk eo'^
∫ log x dx.
x
jZb L
wzfBnk
(x d/ ;kg/y fBy/VB Bkb)
T[Zso
7
x
T[dkjoD 7H ∫ 1 + x 16 dk wkB gsk eo'.
8
7
jZb L wzB fbU x = t sK 8x dx = dt
T[Zso
∫
2
3
2
T[dkjoD 8H x sin x cos x dx dk wkB gsk eo'.
2
2
jZb L wzB fbU sin x = t ⇒ (cos x ) 2x dx = dt
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