Question

The area of a circular grass lawn is 1386 sq m. A path of uniform width was laid around it,on the outside. if the area of the path is 1078 sq m, find the radius of the grass lawn and the width of the path​

Answer 1

Step-by-step explanation:

Are algebraic expressions polynomials?

No, not all algebraic expressions are polynomials. But all polynomials are algebraic expressions. The difference is polynomials include only variables and coefficients with mathematical operations(+, -, ×) but algebraic expressions include irrational numbers in the powers as well.

Also, polynomials are continuous function (eg: x2 + 2x + 1) but algebraic expression may not be continuous sometimes (eg: 1/x2 – 1 is not continuous at 1).

Is 4 an algebraic expression?

No, 4 is not an algebraic expression because an expression should have at least one variable and one operation to be algebraic.

What are all the types of algebraic expressions?

There a

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