Write the coefficient of x2 and x in the following polynomials 6-2x2+3x3-7x - Mathematics

Write the coefficient of x² and x in the following polynomials

`6 - 2x^2 + 3x^3 - sqrt(7)x`

योग

Coefficient of x²is −2 and coefficient of x is `-sqrt(7)`

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अध्याय 3: Algebra - Exercise 3.1 [पृष्ठ ८७]

अध्याय 3 Algebra
Exercise 3.1 | Q 2. (ii) | पृष्ठ ८७

Get the algebraic expression in the following case using variables, constants and arithmetic operations.

One-half of the sum of numbers x and y.

Factorize (x + 2)(x² + 25) -10x² - 20x

Factorize `2x^2 - 5/6x + 1/12`

(2x - 3y)³ + (4z - 2x)³ + (3y - 4z )³

Write the number of the term of the following polynomial.

ax ÷ 4 – 7

Divide: 10a³ - 15a²b by - 5a²

Divide: 4a² + 4a + 1 by 2a + 1

If x = 2 and y = 3, then find the value of the following expressions

4y – x

In the formula, area of circle = πr², the numerical constant of the expression πr² is ______.

Match Column I with Column II in the following:

Column I	Column II
1. The difference of 3 and a number squared	(a) 4 – 2x
2. 5 less than twice a number squared	(b) n² – 3
3. Five minus twice the square of a number	(c) 2n² – 5
4. Four minus a number multiplied by 2	(d) 5 – 2n²
5. Seven times the sum of a number and 1	(e) 3 – n²
6. A number squared plus 6	(f) 2(n + 6)
7. 2 times the sum of a number and 6	(g) 7(n + 1)
8. Three less than the square of a number	(h) n² + 6