Advertisement Remove all ads

Multiply: (A − 1) by (0.1a2 + 3) - Mathematics

Answer in Brief

Multiply:
(a − 1) by (0.1a2 + 3)

Advertisement Remove all ads

Solution

To multiply, we will use distributive law as follows:

\[\left( a - 1 \right)\left( 0 . 1 a^2 + 3 \right)\]

\[ = 0 . 1 a^2 \left( a - 1 \right) + 3\left( a - 1 \right)\]

\[ = 0 . 1 a^3 - 0 . 1 a^2 + 3a - 3\]

Thus, the answer is \[0 . 1 a^3 - 0 . 1 a^2 + 3a - 3\].

Concept: Multiplication of Algebraic Expressions
  Is there an error in this question or solution?
Advertisement Remove all ads

APPEARS IN

RD Sharma Class 8 Maths
Chapter 6 Algebraic Expressions and Identities
Exercise 6.5 | Q 4 | Page 30
Advertisement Remove all ads
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×