ECAT Pre Engineering MCQ Test With Answer for Chapter 19 Mathematics

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  A
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  B
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  C
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  D

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  A
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  B
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  C
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  D

The area between the x-axis and the curve y = x² + 1 from x = 1 to 2 is:

• 15/6 A
• 15/4 B
• 10/4 C
• 10/3 D

∫sin(ax+b) dx is equal to:

• 1/2a cos (ax + b) A
• -1/a cos (ax +b) B
• 1/a cos (ax +b) C
• 1/a ln (ax + b) D

• 1 + tan²x + c A
• tan x + c B
• -tan x + c C
• cot x + c D

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  A
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  B
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  C
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  D

Which of the following integrals can be evaluated

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  A
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  B
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  C
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  D

∫ x cos dx is equal to :

• x cos x + sin x A
• cos x + x sin x B
• x cos x + x sin x C
• x sin x + cos x D

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  A
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  B
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  C
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  D

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  A
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  B
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  C
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  D

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  A
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  B
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  C
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  D

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  A
• a f(x) + c B
• f(x) + a C
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  D

• 
  A
• x^-2+ c B
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  C
• not possible D

The area enclosed between the graph y = x² -4x and the x- axis is:

• 20/3 A
• 41/3 B
• 32/3 C
• 25/3 D

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  A
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  B
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  C
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  D

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  A
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  B
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  C
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  D

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  A
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  B
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  C
• none of these D

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  A
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  B
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  C
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  D

• a cot(ax + b) + c A
• - a cot(ax + b) + c B
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  C
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  D

• 2, 3 A
• 3, 3 B
• 2, 6 C
• 2, 4 D

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  A
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  B
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  C
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  D

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  A
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  B
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  C
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  D

• cos 2x + c A
• - cos 2x + c B
• tan 2x + c C
• cot 2x + c D

The area between the x-axis the curve y =4x-x2 is :

• 32/2 A
• 15 B
• 18 C
• 21 D

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  A
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  B
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  C
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  D

∛8.6 is approximately equal to

• 2.488 A
• 2.48 B
• 2.0488 C
• 2.05 D

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  A
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  B
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  C
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  D

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  A
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  B
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  C
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  D

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  A
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  B
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  C
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  D

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  A
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  B
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  C
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  D