Mathematics
Grade10
Easy

Question

Find the 4th term.
left parenthesis x minus 2 y right parenthesis to the power of 12

  1.  1760 x to the power of 9 y to the power of 5
  2.  negative 1760 x to the power of 9 y cubed
  3.  1760 x to the power of 7 y cubed
  4.  negative 1760 x to the power of 5 y to the power of 5

hintHint:

Use the binomial expansion to find the 4th term.

The correct answer is: negative 1760 x to the power of 9 y cubed


    STEP BY STEP SOLUTION
    open parentheses x minus 2 y close parentheses to the power of 12
T h e space f o r t h space t e r m space i s space
scriptbase C subscript 3 space x to the power of 9 end scriptbase presuperscript 12 space open parentheses negative 2 y close parentheses cubed
    negative 1760 x to the power of 9 y cubed

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