Question

वह अनुपात ज्ञात कीजिए जिसमें X-अक्ष बिन्दुओं (1, -3) तथा (4, 5) को मिलाने वाले
रेखाखण्ड को विभाजित करता है। ​

Answer 1

Answer:

The outer layer, known as the enamel, contains a component of calcium, which tends to be white in color. But, the whiteness of enamel is sometimes out of your control. Some people are born with whiter, thicker enamel and may simply be blessed with great looking teeth.