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)` }}}
IF ‘I Trust You’ is coded as ’576’ and ‘I Believe God’ is coded as ‘854’ and ‘You Can Do’ is coded as ‘236’ then what will be th...
Three of the following four options are alike in a certain way based on the Alphabetical series. Which one among the following doesn’t belong to the g...
In the word ‘ INCREASE’ all consonants are written as their preceding letter and all vowels are written as their following letters. Now all letters ...
If ‘lived is coded as ‘ma’ then what is the code for ‘to’?
दर्पण में देखी गई घड़ी सवा तीन बजे का समय दिखाती है। घड़ी में...
Seven persons G, H, I, J, K, L, and M have different number of pens. Only J has more pens than K. L has more pens than M and G. G has more pens than I. ...
Sunita ran 1000 m from her house towards West. She then took a left turn and ran 2500 m and reached her school. From there, she took a left turn and wal...
Find which one of the given words cannot be made from the letters of the given word.
‘ FRIGHTMENT ’
...A sum of Rs. 4,000 becomes Rs. 6,912 in 3 years at a certain rate of interest compounded annually. What is the rate of interest?
Five friends K, B, I, H and E are sitting in a straight line all facing in the north direction. K is sitting at one of the extreme ends. Three people ar...
