Simplify: 9a (2b – 3a + 7c)

योग

9a (2b – 3a + 7c)

= 18ab – 27a² + 63ca

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अध्याय 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (F)

अध्याय 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (F) | Q 11

Identify the numerical coefficient of term (other than constant) in the following expression:

5 − 3t²

Write the degree of the following polynomial: p³q² – 6p²q⁵ + p⁴q⁴

Fill in the blank:

8x + 5x = ________

Find the sum of: x² + x – 2, 2x – 3x² + 5 and 2x² – 5x + 7

Find the sum of: 4x³ + 2x² – x + 1, 2x³ – 5x² – 3x + 6, x2 + 8 and 5x³ – 7x

Find the sum of: -2a and +5

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

Enclose the given term in bracket as required:

x² -y² + z² + 3x – 2y = x² – (……..)

The co-efficient of ab in the term 15 abc is 15

Amisha has a square plot of side m and another triangular plot with base and height each equal to m. What is the total area of both plots?