সাধারণ পদ , মধ্যপদ ও সমদূরবর্তী পদ নির্ণয়
In the expansion of (3−174+32)15{\left( {3 - \sqrt {\frac{{17}}{4} + 3\sqrt 2 } } \right)^{15}}(3−417+32)15 the 11th term is a
Positive integer
positive irrational number
negative integer
negative irrational number
In the expansion of (a−b)n,n≥5(a-b)^{n},n\ge 5(a−b)n,n≥5, if the sum of the 5th5^{th}5th and 6th6^{th}6th terms is zero, then a/ba/ba/b=
The middle term in the expansion of (ax)n(a x)^n(ax)n is
The value of the sum ∑j=08(8j)1(j+1)(j+2)\sum _{ j=0 }^{ 8 }{8 \choose j}{ \frac { 1 }{ (j+1)(j+2) } } ∑j=08(j8)(j+1)(j+2)1 is
The number of integral terms in the expansion of (512+716)642\displaystyle (5^ \frac{1}{2}+7^\frac {1}{6})^ {642}(521+761)642 is?
