8th Class Mathematics Algebraic Expressions - 854

  • question_answer 11)                 Complete the table:
    First expression Second expression Product
    (i) \[a\] \[b+c+d\] -
    (ii) \[x+y-5\] \[5xy\] -
    (iii) \[p\] \[6{{p}^{2}}-7p+5\] -
    (iv) \[4{{p}^{2}}{{q}^{2}}\] \[{{p}^{2}}-{{q}^{2}}\] -
    (v) \[a+b+c\] \[abc\] -
     

    Answer:

                   

    First expression Second expression Product
    (i) \[a\] \[b+c+d\] \[ab+ac+ad\]
    (ii) \[x+y-5\] \[5xy\] \[5{{x}^{2}}y+5x{{y}^{2}}-25xy\]
    (iii) \[p\] \[6{{p}^{2}}-7p+5\] \[6{{p}^{3}}-7{{p}^{2}}+5p\]
    (iv) \[4{{p}^{2}}{{q}^{2}}\] \[{{p}^{2}}-{{q}^{2}}\] \[4{{p}^{4}}{{p}^{2}}-4{{p}^{2}}{{q}^{4}}\]
    (v) \[a+b+c\] \[abc\] \[{{a}^{2}}bc+a{{b}^{2}}c+ab{{c}^{2}}\]


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