Important Questions of Integrals Mathematics | Zigya

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731.

If e2x + 2ex - e - x - 1eex +e - xdx = gxeex + e - x +C,  where c is a constant of integration, then g(0) is 

  • 1

  • e

  • e2

  • 2


732.

The value of   - π2π211 +esinxdx is :

  • π4

  • π2

  • 3π2

  • π


733.

If cosθ5 + 7sinθ - 2cos2θ = AlogeBθ + C, where C is a constant of integration, then BθAcan be:

  • 2sinθ + 15sinθ + 3

  • 52sinθ + 1sinθ + 3

  • 2sinθ + 1sinθ + 3

  • 5sinθ + 32sinθ + 1 


734.

The general solution of the differential equation

1 + x2 + y2 +x2y2 + xydydx = 0 where C is constant of integration 

  • 1 + y2 + 1 + x2 = 12loge1 + x2 - 11 + x2 +1 +C

  • 1 + y2 + 1 + x2 = 12loge1 + x2 +11 +x2 - 1 +C

  • 1 + y2 - 1 + x2 = 12loge1 + x2 -11 +x2 + 1  +C

  • 1 + y2 - 1 + x2 = 12loge1 + x2 +11 +x2 - 1  +C


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735.

If I1 = 011 - x50100dx and I2 = 011 - x50101dx I2  = αI1 Then α = ?

  • 50495050

  • 50515050

  • 50505051

  • 50505049


736.

The integral 12ex . x22 + logexdx = ?

  • e(2e - 1)

  • e(4e + 1)

  • 4e2 - 1

  • e(4e - 1)


737.

The common difference of the A.P. b1,b2,....,bm is 2 more than common difference of A.P. a1,a2,...,an. If a40 = –159, a100 = – 399 and b100 = a70, then b1is equal to : 

  • 127

  • 81

  • - 127

  • - 81


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