. Find the value of such that the polynomial x? - mx - 5x + 2[2m - 1) has the sum of its zeros equal
to half of their product.
121
23 Without actual division show that the rational number
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6. The efficiency of a certain filament lamp is stated to be 15 lumens/watt. What is the mean spherical power of the lamp if its intake is 100 watts?
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