Sage-Tips

How do you know if a function is inner product? We get an inner product on Rn by defining, for x, y ∈ Rn, 〈x, y〉 = xT y. To verify that this is an inner product, one needs to show that all four properties hold. Which of the following […]

Why is the aqueous solution of NH4Cl acidic while that na2co3 is basic? Due to the presence of an excess of H3O+ ions, the resulting solution of NH4Cl is acidic. Why an aqueous solution of NH4Cl is acidic? Ammonium chloride NH4Cl is the salt of a strong acid hydrochloric acid […]

Can kids kiss each other lips? What’s more, in European cultures it’s common for adults, children, friends and other family members to kiss each other on the lips and cheeks. This is not considered sexual but is an accepted, platonic means of showing affection. For us, lip kissing is just […]

How do I find my unique port code online? Generate UPC at the point of sale of recipient operator. SMS the word ‘PORT’ (which shall be case-insensitive, i.e., it can be ‘port’ or ‘Port’ etc.) followed by a space and the ten-digit mobile number which is to be ported, to […]

Why is Bangladesh GDP so high? Bangladesh’s growth stems in large part from its success as an exporter of garments, which account for 84 percent of its total exports, and remittances from overseas, which amount to over 6 percent of GDP (Figure 2). What helps a country improve their GDP? […]

What are the disadvantages of the Human Development Index? Limitations of Human Development Index HDI reflects long-term changes (e.g. life expectancy) and may not respond to recent short-term changes. Higher national wealth does not indicate welfare. GNI may not necessarily increase economic welfare; it depends on how it is spent. […]

What color was Tom Riddles eyes? Muggles’ Guide to Harry Potter/Characters/Tom Marvolo Riddle Muggles’ Guide to Harry Potter – Character Tom Marvolo Riddle Gender Male Hair color Black Eye color Dark Why are Voldemorts eyes red? Short answer is because he is evil. He had red eyes ever since he […]

Is A2 cow ghee good for health? The high level of Omega-3 fatty acids present in this ghee is said to be beneficial for cardiovascular health. The desi cow ghee rich in A2 protein helps build up HDLs or High-Density Lipoproteins that combat cholesterol levels by extracting them out of […]

Does smoke affect sound waves? Smoke affects sound transmission little. In particular, the magnitude of sound does not fluctuate very little in smoke. Al- though the magnitude decreases little in dense smoke, the de- crease may be compensated by power increase of the speaker. Does fog affect echolocation? For echolocation […]

What is the best method of sterilization? (i) Wet Heat/Steam Sterilization- In most labs, this is a widely used method which is done in autoclaves.. Autoclaves use steam heated to 121–134 °C under pressure. This is a very effective method that kills/deactivates all microbes, bacterial spores and viruses. What is […]

Do hair products accelerate hair loss? “No – no everyday hair products are known to damage hair or exacerbate hair loss. The misconception that styling products cause thinning hair may be due to the fact that overloading the hair with certain formulas, particularly gel or wax, can make the hair […]