JEE Main Questions
find the greatest tem in the expansion of (1+4x)8˙
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If the number of terms in the expansion of (x+y+z)n
are 36, then find the value of n˙
Using binomial theorem, prove that 6n−5nalways leaves remainder 1 when divided by 25.
Find the condition for which the formula (a+b)mam+mam−1b+1×2m(m−1)am−2b2+
Find the coefficient of x2∈(a+xa)1/2+(a−xa)1/2
Find the sum C0+3C1+32C2++3nCn˙
Find the a,b,andn
in th expansion of (a+b)n
if the first three terms of the expansion are 729, 7290, and 30375, respectively.
Find the sum of coefficients in (1+x−3x2)4163˙