English

Multiply the binomials. and(34a2+3b2)and4(a2-23b2)

Advertisements
Advertisements

Question

Multiply the binomials.

`(3/4 a^2 + 3b^2) and 4(a^2 - 2/3 b^2)`

Sum
Advertisements

Solution

`(3/4 a^2+ 3b^2) xx [4(a^2 - 2/3 b^2)]`

= `(3/4 a^2 + 3b^2) xx (4a^2 - 8/3 b^2)`

= `3/4 a^2 xx (4a^2 - 8/3 b^2) + 3b^2 xx (4a^2 - 8/3 b^2)`

= 3a2 − 2a2b2 + 12b2a2 − 8b4

= 3a4 + 10a2b2 − 8b4

shaalaa.com
  Is there an error in this question or solution?
Chapter 8: Algebraic Expressions and Identities - EXERCISE 8.4 [Page 102]

APPEARS IN

NCERT Mathematics [English] Class 8
Chapter 8 Algebraic Expressions and Identities
EXERCISE 8.4 | Q 1. (vi) | Page 102
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×