The number integral terms in the expansion of (3+58)256 is
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a
33
b
34
c
35
d
30
answer is A.
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Detailed Solution
We have:Tr+1=Cr 256312256-r518r It is an integer if 256−r2and r8are positive integers.⇒r=0,8,16,24..............256 ⇒There are 33 integral terms in the expansion.