Let us suppose that the coordinate aves in xy system is rotated through an angle 'A' to form x'y' system. Then, We have the following relations : сово -sino7 [i] = [][*] Sino Coso у i.e. x = x² cosa - y'sino and y=x'sino + y² COA O 1 Solution: Given equation is 8x²-24xy + 15y² + 4y -4 = 0 −(1) Comparing (1) ax² + 2 hxy + by² + 2gx + 2 fy + c = 0 (ii) We have, (1) with the equation 9=8₁ h = -121 6=15 ô h² = (-12)² = 144 and ab=120 :: h²_ab= 144-120=2470 i. ĥ² yab Thus, (1) represents a [hyperbola - Answer
Let us suppose that the coordinate aves in xy system is rotated through an angle 'A' to form x'y' system. Then, We have the following relations : сово -sino7 [i] = [][*] Sino Coso у i.e. x = x² cosa - y'sino and y=x'sino + y² COA O 1 Solution: Given equation is 8x²-24xy + 15y² + 4y -4 = 0 −(1) Comparing (1) ax² + 2 hxy + by² + 2gx + 2 fy + c = 0 (ii) We have, (1) with the equation 9=8₁ h = -121 6=15 ô h² = (-12)² = 144 and ab=120 :: h²_ab= 144-120=2470 i. ĥ² yab Thus, (1) represents a [hyperbola - Answer
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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