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Varsity KA Admission Model Test 89
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General Science
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If, then exy+1 = 3 d2y dx2 =?
A
− x y
B
− x 2y1
C
− 2y1 x
D
− y1 2x exy+1 = 3 ⇒ xy = ln (3) − 1 ⇒ x dy dx + y = 0 ⇒ x d2y dx2 + dy dx + dy dx = 0 ⇒ d2y dx2 = − 2y1 x
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