Please answer 4&5,question with step by step
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4) a
5) for this, first put x= 2√6+5 .then,
(2√6+5)^2 - 10(2√6+5)-1
on further solving it, using identity.:
[(a+b)^2.]
ans comes out to be zero..(
0)
5) for this, first put x= 2√6+5 .then,
(2√6+5)^2 - 10(2√6+5)-1
on further solving it, using identity.:
[(a+b)^2.]
ans comes out to be zero..(
0)
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