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The value of 101 x 99 is
  • a)
    8998
  • b)
    1111
  • c)
    9889
  • d)
    9999
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The value of 101 x 99 isa)8998b)1111c)9889d)9999Correct answer is opti...
(100+1)×(100 - 1) it is the formula of a²-b² so, (100)² -(1)² = 10000-1 = 9999.
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Community Answer
The value of 101 x 99 isa)8998b)1111c)9889d)9999Correct answer is opti...
By using identity( a+b)( a-b) =a raise to the power 2 - b raise to the power, 2 so, (100+1) (100-1) 100 raise to the power two - 1 raise to the power 2 =10000-1=9999
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