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Integral Calculus – I Three Marks Questions

12th Standard

    Reg.No. :
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Business Maths

Time : 01:00:00 Hrs
Total Marks : 30
    10 x 3 = 30
  1. Evaluate  \(\int { \frac { { { x }^{ 4 }+{ x }^{ 4 }+1 } }{ { x }^{ 2 }-x+1 } } \)

  2. Evaluate \(\int { \frac { cos2x-cos2\alpha }{ cosx-cos\alpha } } dx\)

  3. Evaluate \(\int { \frac { { ({ a }^{ x }{ +b }^{ x }) }^{ 2 } }{ { a }^{ x }b^{ x } } dx } \)

  4. If f' (x) = 3x2 - \(\frac { 2 }{ { x }^{ 3 } } \) and f(1) = 0, find f(x)

  5. Evaluate \(\int { \frac { { 8 }^{ 1+x }+{ 4 }^{ 1-x } }{ { 2 }^{ x } } } dx\)

  6. Evaluate \(\int { \frac { { sec }^{ 2 }x }{ 3+tanx } } dx\)

  7. Evaluate ഽ sin3 x cos x dx

  8. Evaluate \(\int { \frac { 1 }{ \sqrt { { 16x }^{ 2 }+25 } } } dx\)

  9. Evaluate ഽex \(\left( \frac { 1+sinxcosx }{ { cos }^{ 2 }x } \right) dx\)

  10. Evaluate \(\int _{ 1 }^{ 2 }{ \frac { log\quad x }{ { x }^{ 2 } } } dx\)

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