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VED1
E L-LOVELY-H math4-1 IInd 6-8-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12

fJekJh^4 L bx[rDe fBy/VB

B'N
iK

iK

\ T[Zso

dy
2
2
T[dkjoD 2H i/eo ax + 2hxy + by + 2gx + 2fy + c = 0, sK gsk eo'.
dx
2
2
jZb L fdZsk j?, ax + 2hxy + by + 2gx + 2fy + c = 0
x d/ ;kg/y fBy/VB eoB s/

iK

iK

\ T[Zso

dy y 2
y
T[dkjoD 3H i/eo y= x , sK f;ZX eo' fe x = H
dx 1 - y logx
y
jZb L fdZsk j?, y= x , bx[rDe b?D s/
log y = y log x.
d'jK gZyK dk x d/ ;kg/y fBy/VB eoB s/

iK

fJ; soQK T[Zso

T[dkjoD 4H i/eo sin y = x sin (a + y), sK f;ZX eo' fe
2
dy sin ( a + y)
=
dx sin a
sin y
jZb L fdZsk j?, sin y = x sin (a + y) iK x =
sin(a + ) y
j[D d'jK gZyK dk x d/ ;kg/y fBy/VB eoB s/

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