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WILLMAN
9) Add a x 11 xy + 7y² - sxy + 6y ²-3 x ²
-3x cu
+ 7x
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In definite intergation
a tano, y = 1
A)
Q.1) If re-a tano,
= b secco then find dy
dre
(B)
( (B
0.2) If re= tan (2+ + 2 y = bee' (51742) then
find dy
dre
dze
a 37 Valuate
for
sinne. cogere
dre
a.47 Evaluate
gret 5
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