Consider two conditions x²-3x-10 0 ) . A necessary AND sufficient condition for x²-3x-10<0 is that -2<x<5 The range of values of a such that |x-2|<a is a NECESSARY condition for x²-3x-10<0 is... The range of values of a such that |x-2|<a is a SUFFICIENT condition for x²-3x-10<0 is...

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OpenStudy (styxer):

Consider two conditions x²-3x-10<0 AND |x-2| < a , x is a real number and "a" is a positive real number ( a>0 ) . A necessary AND sufficient condition for x²-3x-10<0 is that -2 9 years ago

ganeshie8 (ganeshie8):

Few things first : 1) We may think of |x - 2| as the distance between `2` and some other number `x` on real number line |dw:1479531279249:dw|

9 years ago

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