joy1
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1)in mathematics a0 =1 , when a not equal to zero. My question is how ' a multiplies 0 times is equal 1"?????? 2) vector a - vector a= null vector. What would be its direction?Is that a vector? 3) parameter of a circle is equals pi r 2 . why we use pi instead of a constant number 22/7?????
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difference between internet and extranet with example?
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difference between designview and datasheet view?
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difference between select query and cross tab query?
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where fixed length and variable length record uses?give an example using file name...