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[" 16.If "2x^(2)+4x-k=0" is same as "(x-...

[" 16.If "2x^(2)+4x-k=0" is same as "(x-5)(x+(k)/(10))=0" ,then find the value of "k" ."],[[" (a) "100," (b) "90," (c) "70," (d) "35]]

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