Multiply: Abx, −3a2x and 7b2x3

Multiply: abx, −3a²x and 7b²x³

Sum

abx × −3a²x × 7b²x³

= (−3×7) (a ×a²) (b × b²) (x × x × x³)

= −21a³b³x⁵

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Chapter 11: Algebraic Expressions - Exercise 11 (C) [Page 143]

Chapter 11 Algebraic Expressions
Exercise 11 (C) | Q 1.13 | Page 143

Obtain the volume of a rectangular box with the following length, breadth, and height, respectively.

xy, 2x²y, 2xy²

Obtain the product of a, − a², a³

Obtain the product of a, 2b, 3c, 6abc.

Obtain the product of m, − mn, mnp.

Express each of the following product as a monomials and verify the result for x = 1, y = 2:

\[\left( \frac{4}{9}ab c^3 \right) \times \left( - \frac{27}{5} a^3 b^2 \right) \times \left( - 8 b^3 c \right)\]

Multiply: −5cd² by − 5cd²

Multiply: −3bx, −5xy and −7b³y²

Solve: (-12x) × 3y²

The length of a rectangle is `1/3` of its breadth. If its perimeter is 64 m, then find the length and breadth of the rectangle.

Multiply the following:

7pqr, (p – q + r)