Sn k - Study guides, Class notes & Summaries

2 © OCR 2023 H640/03 Jun23 = e n+1 2 Formulae A Level Mathematics B (MEI) (H640) Arithmetic series S = 1 n^a+lh = 1 n"2a+^n-1hd, n 2 2 Geometric series Sn = a^1-r nh 1 -r a 3 1 -r for r 1 1 Binomial series ^a+bh n = a n + nC1 a n-1 b+ nC2 a n-2 b 2 +f+ nCr a n-r b r +f+ b n ^n e Nh, n Jn N n! where Cr = n Cr = K r O = r!^n -rh! L P ^1+xh n = 1+nx+ n^n -1h x 2 +f+ n^n - 1hf^n -r+1h x r +f ^x 1 1, n e Rh 2! Differentiation f^x...

MATH 470 - Exam 2 Verified Solutions permutation ️a function from A to A that is both one-to-one and onto permutation group ️a set of permutations of A that forms a group under function composition Every permutation of a finite set can be written as... ️a cycle or as a product of disjoint cycles If the pair of cycles alpha = (a1, a2, ..., am) and beta = (b1, b2, ..., bn) have no entries in common ️Then alpha*beta = beta*alpha The order of a permutation of a finite set written...

5 basic types of predation - carnivory, parasitism, parasitoids, cannabalism, herbivory Abiotic components - non-living chemical and physical factors(temperature, light, water, nutrients) ammensalism - one species is harmed and the other is unaffected(-,0) ex: larger tree shading smaller stature tree aquatic vs. terrestrial systems - terrestrial--> 3 trophic levels(odd number=resource limitation) aquatic--> 4 trophic levels(even number=consumer limitation) Aristotle - Historia anima...

HESI A2 Chemistry Updated for 2024-Graded A+ atom basic building block of all molecules protons part of atom with a positive charge electrons part of atom with a negative electrical charge neutrons part of atom with no charge at all ion an atom that is electrically charged cation atom with a positive electrical charge anion atom with a negative electrical charge periods rows in the periodic table groups columns in the periodic table Group IA...

Question 1 Correct 5.00 points out of 5.00 If 2.38 mol of a gas has a volume of 120.0 mL, what is the volume of 1.97 mol of the gas at the same temperature and pressure? Select one: A. 99.3 mL B. 119 mL C. 145 mL D. 25.6 mL E. 563 mL Question 2 Correct 5.00 points out of 5.00 What are the conditions of STP? Select one: A. 0°C and 760 atm B. 273.15°C and 760 torr C. 0 K and 1 atm D. 0°C and 1 torr E. 273.15 K and 760 torr Straighterline CHEM101 General Chemistry I Graded...

Which of the following is the process by what DNA is copied into RNA Transcription Carbon has an atomic number of 6. What is true about isotope c-12 C-12 possesses 6 neutrons and 6protons in its. Nucleus 1. Which of the following best describes adaptive immunity? O The body's barrier defences, such as mucous membranes and secretions o The initiation of internal defences, such as phagocytes and natural killer cells o The initiation of the inflammatory response A response to specific trai...

BIO 1150 Exam 4 - Questions with Verified Answers Species transplant organisms that are intentionally or accidentally relocated from their original distribution Biotic factors that affect the distribution of organisms Predation Herbivory Competition Abiotic factors that affect the distribution of organisms Temperature Water Sunlight Wind Rocks and Soil How does temperature affect cells and proteins? Cells can freeze and rupture, proteins denature in hot temperatures Salinity A measure of the am...

General Chemistry ACS EXAM (2015 version) 60 Questions with Verified Answers A 20.0 g sample of mercury(II) oxide (HgO, M = 216.6) is heated strongly, causing it to decompose to metallic Hg and O2 gas. What volume of O2 gas is produced (measured at STP)? (A) 1.03 L (B) 2.07 L (C) 4.14 L (D) 14.0 L - CORRECT ANSWER A When 30.0 mL of 0.10 M AgNO3 is added to 30.0 mL of 0.10 M NaCl, aqueous NaNO3 and solid AgCl are formed. How much solid AgCl is produced? (A) 0.0030 mol (B) 0.0...

GROUP 1: LiNa Ke RbCs Farrar (Li Na K Rb Cs Fr) Group 1 is known as alkali metals. It includes Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Ru), Ceasium (Cs), and Francium (Fr). GROUP 2: Beta Mange Car Scooter Baap Razi (Be Mg Ca Sr Ba Ra) Group 2 is known as alkaline earth metals. It includes Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Br), and Radium (Ra). GROUP 13: B-Al Gaya Insan Takla OR B-Al Ganesh In Titwala OR Baingan Aloo Gajar In Thal...

HESI A2 Chemistry Updated for 2024-Graded A+ atom basic building block of all molecules protons part of atom with a positive charge electrons part of atom with a negative electrical charge neutrons part of atom with no charge at all ion an atom that is electrically charged cation atom with a positive electrical charge anion atom with a negative electrical charge periods rows in the periodic table groups columns in the periodic table Group IA...