rtan can-(cotx), dy dx: 10n a. 44 b. 157 44 20n с. 44 2. d.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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rtan-(cotx)
dy dx
10n
а.
44
15n
b.
44
20л
с.
44
d.
1-7
2
ii) area bounded by x-y 1,2x +y = 5and x + 2y 7 in first quarter is:
20n
а.
44
22n
с.
44
b 217
d. 2
44
iii) modulus of complex z et equal to
а. 3
b. 2
с. 1
d.0
iv) if zx = (y)-1 then zx/Zy =
а. Xz
b. yz
c. yz d.x²z
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