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Solution of (x+y)^(2)(dy)/(dx)=a^(2) ('a...

Solution of `(x+y)^(2)(dy)/(dx)=a^(2)` ('a' being a constant) is

A

`((x+y))/(a)=tan""(y+c)/(a).c` is an arbitrary constant

B

`xy=a tancx.c` is an arbitrary constant

C

`(x)/(a)=tan""(y)/(c ).c` is an arbitrary constant

D

`xy=tan(x+c).c` is an arbitrary constant

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2017-Multiple Choice Questions
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  2. int(0)^(100)e^(x-[x])dx =

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  4. The integrating factor of the first order differential equation x^(2)(...

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  5. In a G.P. series consisting of positive terms, Each term is equal to t...

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  6. If (log(5)x)(log(x)3x)(log(3x)y)=log(x)x^(3). Then y equals

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  7. The expression ((1+i)^(n))/((1-i)^(n-2)) equals

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  8. Let Z=x+iy where x and y are real. The points (x, y) in the X-Y plane ...

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  9. If p. q are odd integers. Then the roots of the equation 2px^(2)+(2p+q...

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  13. Let (1+x+x^(2))^(9)=a(0)+a(1)x+a(2)x^(2)+.....+a(18)x^(18). Then

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  14. The linear system of equations {:(8x-3y-5z=0),(5x-8y+3z=0),(3x+5y-8z=0...

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  15. Let P be the set of all non-singular matrices of order 3 over R and Q ...

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  17. The value of det A. where A=((1,costheta,0),(-costheta,1,costheta),(-1...

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