Let f(n)=1+1/2+1/3++1/ndot Then f(1)+f...

Let `f(n)=1+1/2+1/3++1/ndot` Then `f(1)+f(2)+f(3)++f(n)` is equal to (a)`nf(n)-1` (b) `(n+1)f(n)-nn` (c)`(n+1)f(n)+n` (d) `nf(n)+n`

Let f(n)=1+1/2+1/3++1/ndot Then f(1)+f(2)+f(3)++f(n) is equal to (...
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Let f(n)=2cosn xAAn in N , then f(1)f(n+1)-f(n) is equal to (a)f(n...
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If (1)=1 and f(1)+2f(2)=3f(3)+......nf(n)=n(n+1)f(n) Then find the val...
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Let f(n)=1+1/2+1/3++1/ndot Then f(1)+f(2)+f(3)++f(n) is equal to (a)...
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Let f:N rarr R be such that f(1)=1 and f(1)+2f(2)+3f(3)+…+nf(n)=n(n+1)...
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Let f : N rarr R be a function such that f(1) + 2f(2) + 3f(3) + ....+n...
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Let f(n)=2cosn xAAn in N , then f(1)f(n+1)-f(n) is equal to (a)f(n...
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If f(x+1)+f(x-1)=2f(x)a n df(0),=0, then f(n),n in N , is nf(1) ...
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Let f(n)=1+1/2+1/3++1/ndot Then f(1)+f(2)+f(3)++f(n) is equal to (a)...
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