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(sqrt(x^2+y^2))^4?

2007-08-01 05:57:52 · 2 answers · asked by kikay g 1 in Science & Mathematics ➔ Engineering

2 answers

(sqrt(x^2+y^2))^4 = (x^2 + y^2)^2 = r^4

2007-08-01 07:21:26 · answer #1 · answered by vlee1225 6 · 0⤊ 0⤋

(sqrt(x^2+y^2))^4 = (x^2+y^2)^2 = x^4+2x^2y^2+y^4

2007-08-01 06:01:58 · answer #2 · answered by maussy 7 · 1⤊ 0⤋

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