Question
Simplify: √[( 12.1 )2 - (8.1)2 / (0.25)2 + (0.25)(19.95)]
Simplify: √[( 12.1 )2 - (8.1)2 / (0.25)2 + (0.25)(19.95)]
Answer: Option A
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Given exp. = √[(12.1 + 8.1)(12.1 - 8.1)/(0.25)(0.25 + 19.95)]
=√[(20.2 * 4) /( 0.25 * 20.2)]
=√4 / 0.25
= √400 / 25
=√16 = 4.
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