General
Easy
Biology

Match correctly the following and choose the correct option

BiologyGeneral

  1. (a) rightwards arrow (iii); (b) rightwards arrow (iv); (c) rightwards arrow (i); (d) rightwards arrow (ii)    
  2. (a) rightwards arrow (iii); (b) rightwards arrow (iv); (c) rightwards arrow (ii); (d) rightwards arrow (i)    
  3. (a) rightwards arrow (iv); (b) rightwards arrow (i); (c) rightwards arrow (ii); (d) rightwards arrow (iii)    
  4. (a) rightwards arrow (i); (b) rightwards arrow (iii); (c) rightwards arrow (ii); (d) rightwards arrow (iv)    

    Answer:The correct answer is: (a) rightwards arrow (iii); (b) rightwards arrow (iv); (c) rightwards arrow (i); (d) rightwards arrow (ii)

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    Let f left parenthesis x right parenthesis equals not stretchy integral fraction numerator x to the power of 2 end exponent d x over denominator left parenthesis 1 plus x to the power of 2 end exponent right parenthesis open parentheses 1 plus square root of 1 plus x to the power of 2 end exponent end root close parentheses end fractionand f left parenthesis 0 right parenthesis equals 0, then the value of f left parenthesis 1 right parenthesis be

    f left parenthesis x right parenthesis equals not stretchy integral fraction numerator x to the power of 2 end exponent d x over denominator left parenthesis 1 plus x to the power of 2 end exponent right parenthesis open parentheses 1 plus square root of 1 plus x to the power of 2 end exponent end root close parentheses end fraction
    Let x equals tan invisible function application theta comma d x equals sec to the power of 2 end exponent invisible function application theta d theta equals left parenthesis 1 plus x to the power of 2 end exponent right parenthesis. d theta
    f left parenthesis x right parenthesis equals not stretchy integral fraction numerator x to the power of 2 end exponent d x over denominator left parenthesis 1 plus x to the power of 2 end exponent right parenthesis open parentheses 1 plus square root of 1 plus x to the power of 2 end exponent end root close parentheses end fraction equals not stretchy integral fraction numerator tan to the power of 2 end exponent invisible function application theta sec to the power of 2 end exponent invisible function application theta d theta over denominator sec to the power of 2 end exponent invisible function application theta left parenthesis 1 plus sec invisible function application theta right parenthesis end fraction
    equals not stretchy integral fraction numerator tan to the power of 2 end exponent invisible function application theta d theta over denominator 1 plus sec invisible function application theta end fraction theta equals not stretchy integral fraction numerator sin to the power of 2 end exponent invisible function application theta d theta over denominator cos invisible function application theta left parenthesis 1 plus cos invisible function application theta right parenthesis end fraction equals not stretchy integral fraction numerator 1 minus cos to the power of 2 end exponent invisible function application theta d theta over denominator cos invisible function application theta left parenthesis 1 plus cos invisible function application theta right parenthesis end fraction
    equals not stretchy integral fraction numerator left parenthesis 1 minus cos invisible function application theta right parenthesis d. theta over denominator cos invisible function application theta end fraction equals not stretchy integral sec invisible function application theta d theta minus not stretchy integral d theta
    equals log invisible function application left parenthesis x plus square root of 1 plus x to the power of 2 end exponent end root right parenthesis minus tan to the power of negative 1 end exponent invisible function application x plus c
    f left parenthesis 0 right parenthesis equals log invisible function application left parenthesis 0 plus square root of 1 plus 0 end root minus tan to the power of negative 1 end exponent invisible function application left parenthesis 0 right parenthesis plus c
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    f left parenthesis 1 right parenthesis equals log invisible function application left parenthesis 1 plus square root of 1 plus 1 to the power of 2 end exponent end root right parenthesis minus tan to the power of negative 1 end exponent invisible function application left parenthesis 1 right parenthesis equals log invisible function application left parenthesis 1 plus square root of 2 right parenthesis minus fraction numerator pi over denominator 4 end fraction.

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    f left parenthesis x right parenthesis equals not stretchy integral fraction numerator x to the power of 2 end exponent d x over denominator left parenthesis 1 plus x to the power of 2 end exponent right parenthesis open parentheses 1 plus square root of 1 plus x to the power of 2 end exponent end root close parentheses end fraction
    Let x equals tan invisible function application theta comma d x equals sec to the power of 2 end exponent invisible function application theta d theta equals left parenthesis 1 plus x to the power of 2 end exponent right parenthesis. d theta
    f left parenthesis x right parenthesis equals not stretchy integral fraction numerator x to the power of 2 end exponent d x over denominator left parenthesis 1 plus x to the power of 2 end exponent right parenthesis open parentheses 1 plus square root of 1 plus x to the power of 2 end exponent end root close parentheses end fraction equals not stretchy integral fraction numerator tan to the power of 2 end exponent invisible function application theta sec to the power of 2 end exponent invisible function application theta d theta over denominator sec to the power of 2 end exponent invisible function application theta left parenthesis 1 plus sec invisible function application theta right parenthesis end fraction
    equals not stretchy integral fraction numerator tan to the power of 2 end exponent invisible function application theta d theta over denominator 1 plus sec invisible function application theta end fraction theta equals not stretchy integral fraction numerator sin to the power of 2 end exponent invisible function application theta d theta over denominator cos invisible function application theta left parenthesis 1 plus cos invisible function application theta right parenthesis end fraction equals not stretchy integral fraction numerator 1 minus cos to the power of 2 end exponent invisible function application theta d theta over denominator cos invisible function application theta left parenthesis 1 plus cos invisible function application theta right parenthesis end fraction
    equals not stretchy integral fraction numerator left parenthesis 1 minus cos invisible function application theta right parenthesis d. theta over denominator cos invisible function application theta end fraction equals not stretchy integral sec invisible function application theta d theta minus not stretchy integral d theta
    equals log invisible function application left parenthesis x plus square root of 1 plus x to the power of 2 end exponent end root right parenthesis minus tan to the power of negative 1 end exponent invisible function application x plus c
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    f left parenthesis 1 right parenthesis equals log invisible function application left parenthesis 1 plus square root of 1 plus 1 to the power of 2 end exponent end root right parenthesis minus tan to the power of negative 1 end exponent invisible function application left parenthesis 1 right parenthesis equals log invisible function application left parenthesis 1 plus square root of 2 right parenthesis minus fraction numerator pi over denominator 4 end fraction.
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