FatimaISWA
3.
Which value(s) must be excluded as a value of x in the polynomial?
(x - 2 / (x2 - 25)
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maheshmeghwal9
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|dw:1339053693213:dw| Do u mean this?
FatimaISWA
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yes
maheshmeghwal9
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k! see that where at what critical points I mean x's values; denominator is zero.
those values will be excluded since
\[y/0=\infty\] (undefined).
Can u give me answer, what r those values?
maheshmeghwal9
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gt it?
FatimaISWA
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yes i did!
maheshmeghwal9
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k! np:)\
x={5,-5}
will be excluded:)
coolstude
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you must exclude 5 and -5 because the denominator must not always equal to zero (0)