Properties of Angles Formed by Two Parallel Lines and a Transversal
If y'-3y'+2...
Question
If y′−3y′+2y=0 where y(0)=1,y′(0)=0, then the value of y at x=log2 is
A
1
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B
−1
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C
2
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D
0
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Solution
The correct option is C0 d2ydx2−3dydx+2y=0 The corresponding equation is m2−3m+2=0 ∴ General solution of given equation y=Aex+Be2x y′=Aex+2Be2x At x=0,y=1⇒A+B=1 and x=0,y′=0⇒A+2B=0 Solving these equation A=2,B=1 ∴y=2ex−e2x At x=log2,y=0