The value of 11c2+11c4+11c6+11c8 is equal to?
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Answer:
1/220.
Step-by-step explanation:
11c2+11c4+11c6+11c8=0
11c(2+4+6+8) =0
11c(20) =0
220c =0
c= 1/220 .ans.
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