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Question Number 172692 Answers: 2 Comments: 0

Question Number 172688 Answers: 0 Comments: 4

(1+2+3+4)^2 =1^2 +2^2 +3^2 +4^2 right? (1+2+3+4)^2 =1^3 +2^3 +3^3 +4^3 right?

$$\left(\mathrm{1}+\mathrm{2}+\mathrm{3}+\mathrm{4}\right)^{\mathrm{2}} =\mathrm{1}^{\mathrm{2}} +\mathrm{2}^{\mathrm{2}} +\mathrm{3}^{\mathrm{2}} +\mathrm{4}^{\mathrm{2}} \:\:{right}? \\ $$$$\left(\mathrm{1}+\mathrm{2}+\mathrm{3}+\mathrm{4}\right)^{\mathrm{2}} =\mathrm{1}^{\mathrm{3}} +\mathrm{2}^{\mathrm{3}} +\mathrm{3}^{\mathrm{3}} +\mathrm{4}^{\mathrm{3}} \:\:{right}? \\ $$

Question Number 172687 Answers: 1 Comments: 3

Sum to n terms: 7+77+777+...

$$\mathrm{Sum}\:\mathrm{to}\:\mathrm{n}\:\mathrm{terms}: \\ $$$$\mathrm{7}+\mathrm{77}+\mathrm{777}+... \\ $$

Question Number 172681 Answers: 4 Comments: 0

Question Number 172662 Answers: 4 Comments: 0

Question Number 172653 Answers: 1 Comments: 0

Question Number 172651 Answers: 0 Comments: 0

Question Number 172636 Answers: 2 Comments: 0

Question Number 172635 Answers: 4 Comments: 0

Question Number 172632 Answers: 0 Comments: 6

Question Number 172631 Answers: 0 Comments: 3

Question Number 172628 Answers: 1 Comments: 2

Question Number 172613 Answers: 3 Comments: 0

min y=9 sin^2 x+ 4 csc^2 x + 3

$$\:\:\:{min}\:{y}=\mathrm{9}\:\mathrm{sin}\:^{\mathrm{2}} {x}+\:\mathrm{4}\:{csc}^{\mathrm{2}} {x}\:+\:\mathrm{3} \\ $$

Question Number 172612 Answers: 0 Comments: 0

Question Number 172611 Answers: 1 Comments: 0

Question Number 172610 Answers: 1 Comments: 0

Question Number 172609 Answers: 1 Comments: 0

Question Number 172608 Answers: 1 Comments: 0

Question Number 172607 Answers: 0 Comments: 0

Question Number 172606 Answers: 0 Comments: 0

Question Number 172605 Answers: 0 Comments: 0

Question Number 172604 Answers: 1 Comments: 0

Question Number 172603 Answers: 1 Comments: 0

Question Number 172602 Answers: 0 Comments: 0

Question Number 172601 Answers: 1 Comments: 0

Question Number 172600 Answers: 0 Comments: 0

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