Examlex
Find the length of the curve.
-The spiral
Ecosystem
A biological community of interacting organisms and their physical environment, interconnected through nutrient cycles and energy flows.
Physical Environment
The external surroundings and conditions in which an organism lives, including land, water, air, and other natural factors influencing its growth and survival.
Living Organisms
Entities characterized by growth, reproduction, response to stimuli, and the ability to sustain metabolic processes.
Hypothesis
A proposed explanation for a phenomenon, made as a starting point for further investigation, that can be tested through experimentation and observation.
Q16: The distance from the point S(3,
Q48: <span class="ql-formula" data-value="a _ { 1 }
Q78: <span class="ql-formula" data-value="\mathbf { r } (
Q117: x + y + z = ,
Q133: <span class="ql-formula" data-value="\mathbf { r } (
Q136: <span class="ql-formula" data-value="\mathbf { r } (
Q205: <span class="ql-formula" data-value="r \cos \theta = 10"><span
Q288: <span class="ql-formula" data-value="(-2, \pi / 2)"><span class="katex"><span
Q297: <span class="ql-formula" data-value="\mathrm { r } =
Q300: <span class="ql-formula" data-value="\sum _ { n =