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The expansion of  , in powers of x, is valid if
  • a)
    |x| > 2
  • b)
    x < 2
  • c)
    x > 2
  • d)
    |x| < 2
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The expansion of ,in powers of x, is valid ifa)|x| > 2b)x<2c)x...
In case of negative or fractional power, expansion (1+x)^n is valid only when |x| < 1
(6 - 3x)-1/2
= (6-1/2 (1 - x/2)-1/2)
So, this equation exists only when |x/2| < 1
|x| < 2
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Most Upvoted Answer
The expansion of ,in powers of x, is valid ifa)|x| > 2b)x<2c)x...
In case of negative or fractional power, expansion (1+x)^n is valid only when |x| < 1
(6 - 3x)-1/2
= (6-1/2 (1 - x/2)-1/2)
So, this equation exists only when |x/2| < 1
|x| < 2
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The expansion of ,in powers of x, is valid ifa)|x| > 2b)x<2c)x...
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