Sequences and Series
If a1,a2,...an be an A.P. of +ive terms, then k=1∑nak≥na12+(n−1)da1 where d is common difference of A.P. If you think this is true write 1 otherwise write 0 ?
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The minimum value of the sum of real numbers a−5+a−4+3a−3,1,a8 and a10 with a>0 is
If A=cos2x+cos2x1,B=cosx−cosx1 ∀x=(2n±1)2π, then the minimum value of BA is
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Insert 17 arithmetic means between 321 and −4121.
The value of p if ,the mean of 23,25,p is 24
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