beta carotene is a precursor for vitamin a the body needs to convert it to retinol or vitamin a for use beta carotene is found naturally in mostly orange and dark green plant foods such as carrots sweet potatoes mangos and kaleitamin a is essential for good health it promotes growth the immune system reproduction and vision however recent research suggests that too much vitamin a particularly in the form of retinol may be bad for your bones
Because if you approximate pi, you get pi = 3.1415926535897932384626433832795...    Square root of 3.1415926535897932384626433832795... is 1.772453850905516027298167483â¦3411...... which is the square root of pi.    Hope that helps.
The radicand is the number or expression underneath the radical sign, in this example 9. Every positive number a has two square roots: âa, which is positive, and â âa, which is negative. Together, these two roots are denoted Â± âa (see Â± shorthand). Although the principal square root of a positive number is only one of its two square roots, the designation  the square root is often used to refer to the principal square root.