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7.Binomial Theorem
normal
The number of terms in the expansion of ${\left( {\sqrt[4]{9} + \sqrt[6]{8}} \right)^{500}}$, which are integers is
A
$501$
B
$251$
C
$42$
D
$41$
Solution
$\left(3^{\frac{2}{4}}+2^{\frac{3}{6}}\right)^{500}=\left(3^{\frac{1}{2}}+2^{\frac{1}{2}}\right)^{500}$
$\left[\frac{500}{2}\right]+1=251$
Standard 11
Mathematics