Question
x = 7 - 4√3 then the value of x³+1/x³ is equal
to?Solution
x = 7 - 4√3 x + 1/x = 7 - 4√3 + 1/(7-4√3) x + 1/x = 7 - 4√3 + 7 + 4√3 x + 1/x = 14 So x³ + 1/x³ = (14)³ - 3 × 14 = 2744 - 42 = 2702 (x + 1/x = a, x³ + 1/x³ = a³ - 3a)
What is the synonym for the word "amiable"?
Select the most appropriate synonym of the given word.
SOLID
Select the option that can be used as a one-word substitute for the given group of words.
A person who opposes war or the use of military force
Bellicose
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...- Choose a word that is similar in meaning to the given word.
Brief Select the most appropriate ANTONYM of the given word.
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