Add : - 3a + 2b and 3a + B

Add : - 3a + 2b and 3a + b

योग

- 3a + 2b and 3a + b

= - 3a + 3a + 2b + b

= 0 + 3b = 3b

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अध्याय 13: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (B)

अध्याय 13 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (B) | Q 4.3

Identify the term, their coefficients for the following expression:

3x²y² − 5x²y²z² + z²

Find the sum of: 11 and -by

The sides of a triangle are 2x + 3y, x + 5y and 7x – 2y, find its perimeter.

Subtract the second expression from the first:

3a² - 8ab - 2b² , 3a² - 4ab + 6b²

Simplify: `7"a" ["8a" - (11"a" - (12"a" - bar"6a - 5a"))]`

Find the numerical co-efficient of the following term:

9pq

Coefficient of y in the term `(-y)/3` is ______.

Number of factors of (a + b)² is ______.

Factorisation of – 3a² + 3ab + 3ac is 3a(– a – b – c).

If (x²y + y² + 3) is subtracted from (3x²y + 2y² + 5), then coefficient of y in the result is ______.