Number of terms in the expression a2 + bc × d is ______.

Number of terms in the expression a² + bc × d is ______.

रिकाम्या जागा भरा

Number of terms in the expression a² + bc × d is 2.

Explanation:

We have, a² + bc × d = a² + bcd

∴ The number of terms in this expression is 2 as bcd is treated as a single term.

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पाठ 7: Algebraic Expression, Identities and Factorisation - Exercise [पृष्ठ २२८]

पाठ 7 Algebraic Expression, Identities and Factorisation
Exercise | Q 53. | पृष्ठ २२८

Factorize : x² + y - xy - x

Factorize `[x^2 + 1/x^2] - 4[x + 1/x] + 6`

Factorize x( x - 2)( x - 4) + 4x - 8

If a² + b² + c² = 20 and a + b + c = 0, find ab + bc + ca.

Evaluate: `(1/2 "a" + 1/2 "b") (1/2 "a" - 1/2 "b")`

The area of a rectangle is 6x² – 4xy – 10y² square unit and its length is 2x + 2y unit. Find its breadth.

Divide: 6x² - xy - 35y² by 2x - 5y

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