If the three consecutive coefficient in the expansion of 
are 28, 56 and 70, then the value of 
is
If the three consecutive coefficient in the expansion of are 28, 56 and 70, then the value of is
Question ID - 153626 | SaraNextGen Top Answer
If the three consecutive coefficient in the expansion of are 28, 56 and 70, then the value of is
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If the three consecutive coefficient in the expansion of |
1 Answer
127 votes
Answer Key / Explanation : (8) -
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(8) Let the three consecutive coefficients be So that This gives
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and 
,
and 
and 
127 votes
Answer Link
127