Grade 11Algebra
The no. of irational terms in the expansion of (8√5+6√2)^100 is
The no. of irational terms in the expansion of (8√5+6√2)^100 is
1 Answer
Arun
Dear student
r+1 th term = 100Cr p^(100-r) q^r
now this will be rational when powers are even.
hence irrational terms are obtained when r = 1, 3, 5, 7, ….., 99
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