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x² - 1/x² = (x + 1/x) (x - 1/x) ------ (i) Here, (x² + 1/x²) = 4 => x² + 1/x² + 2 = 6 => (x + 1/x)² = 6 => (x + 1/x) = {{{`sqrt(6)` }}} Putting these value in eqn (i) we get, => x² - 1/x² = {{{`sqrt(6)` }}} {{{`xx` }}} {{{`sqrt(2)` }}} => {{{`sqrt(12)` }}} = 2{{{`sqrt(3)` }}}
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
g _ _ t _ _ w g g _ _...
Which of the following will best complete the relationship given below?
LMW: NIT :: QEG :?
Select the option that is related to the third word in the same way as the second word is related to the first word.
Expand: Enlarge :: Reduce: ?
Select the set of numbers that is similar to the following set.
(10, 127, 12)
In each of the following questions, choose that set numbers from the four alternative sets, that is similar to the given set.
Given set: [...
Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and th...
Select the set in which the numbers are related in the same way as are the numbers of the following set. NOTE: Operations should be performed on the wh...
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performed ...
Select the option that is related to the fifth number in the same way as the second number is related to first number and the third number is related to...
