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PreCalcPlease check
Please check: 1.Write in expanded form: this is a sigma notation 4 on top signma in middle k=1 on bottom to right of sigma is (k1)(k2) I solved: k=1 (11)(12)=0(1)=0 K=2 (21)(22) = 1(0)=0 k=3(31)(32)=2(1)=2 k=4
asked by Bethany on December 30, 2011 
Maths
Express the sum using summation notation: 1  1/2 + 1/3  1/4 + 1/5  ... (to 3n terms) If I'm doing this right so far, with k=1 (the number on bottom of the sigma), the equation after the sigma would be ((1)^(k+1)) / k I'd be
asked by Anonymous on June 11, 2010 
Maths
Express the sum using summation notation: 1  1/2 + 1/3  1/4 + 1/5  ... (to 3n terms) If I'm doing this right so far, with k=1 (the number on bottom of the sigma), the equation after the sigma would be ((1)^(k+1)) / k I'd be
asked by Anonymous on June 10, 2010 
Maths
Express the sum using summation notation: 1  1/2 + 1/3  1/4 + 1/5  ... (to 3n terms) If I'm doing this right so far, with k=1 (the number on bottom of the sigma), the equation after the sigma would be ((1)^(k+1)) / k I'd be
asked by Please Help on June 12, 2010 
Calculus
So this one is confusing me: limit of n as it approaches infinity of (n{SIGMA}i=1) (1/(2^i) *the n is on top of the sigma notation and i=1 is at the bottom. I understand that 'i' would equal (n(n+1))/2 however the algebra from
asked by David on December 8, 2014 
Algebra II
Please helpI need to write 4+6+8+10 in sigma notation would it be sigma sign in middle (3) on top of sign, n=0 on bottom of signma notation and to the right it would be (4+2n) so it would look like (3) (sigma in middle) (4+2n)
asked by Julia on December 5, 2011 
PreCalcPlease check
1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2. Find the 10th term of the sequence 1/5,1/20,1/80 this was a geometric sequence so I said a(subscript10) = 1/5*1/4^(101)
asked by Sandra on December 15, 2011 
PreCalcPlease check answer
1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2n+4 to the right of the signma sign 2. Find the 10th term of the sequence 1/5,1/20,1/80 this was a geometric sequence so I said
asked by Sandra on December 15, 2011 
PreCalcPlease check answer
1.Write 4+6+8+10 in sigma notation: I came up with sigma in the middle 3 on top j=0 on the bottom 2n+4 to the right of the signma sign 2. Find the 10th term of the sequence 1/5,1/20,1/80 this was a geometric sequence so I said
asked by Sandra on December 15, 2011 
PreCalcplease check
Please check this for me expand (3z2b)^5 using Binomial Theorem (a+b)^n = n on top sigma in middle k=0 to right (n/k)a^(nk)b^k (3a2b)^5 = 5 on top sigma in middle k=0 on bottom(5/k)(3a)^5k(2b)^k
asked by Bethany on January 4, 2012