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If 1/(b-a) +1/(b-c)=1/a+1/c , then a,b a...

If `1/(b-a) +1/(b-c)=1/a+1/c` , then a,b and c are in

A

AP

B

HP

C

GP

D

Both b and c

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IPUCET PREVIOUS YEAR PAPERS-GGSIPU MATHEMATICS 2014-MCQs
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  2. In the triangle with vertices A(1, -1, 2), B(5, -6, 2) and C(1, 3, -1)...

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  7. The determinant [[x,y,x+y],[y,x+y,x],[x+y,x,y]] is divisible by

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  8. The curve 5x^2 + 12xy - 22x - 12y -19 = 0 is.

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  9. The derivative of y=x^(2^(x)) w.r.t. x is

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  10. lim(xto pi/2)(pi-2x)^(cosx) is equal to

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  11. Evaluate the following : int(0)^(1)x tan^(-1)xdx

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  12. int(0)^(pi//3)(costheta)/(5-4sintheta)d theta equal to

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  13. int(xdx)/((1+x)^(3//2)) is equal to

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  14. int \ a^x \ dx is equal to

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  15. overset(pi)underset(-ip)int [cos px-sin qx]^(2) dx where p,q are integ...

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  16. The solution of the differential equation x^(2)-y^(2)dx+2xydy=0, is

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  17. The solution of the differential equation (d^(2)y)/(dx^(2))+3y=-2x is

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  19. The angle between the vectors a=hati+2hatj+2hatkandb=hati-2hatj+2hatk ...

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  20. The straight line r=hati-hatj+hatk+lamda(2hati+hatj-hatk) are

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