Advertisement Remove all ads

Evaluate: (2"X"-3/5)(2"X"+3/5) - Mathematics

Sum

Evaluate: `(2"x"-3/5)(2"x"+3/5)`

Advertisement Remove all ads

Solution

`(2"x"-3/5)(2"x"+3/5)`

`=(2"x")^2-(3/5)^2` .......[ ∵ (a − b) (a + b) = a2b2]

`=4"x"^2-9/25`

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

APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 12 Identities
Exercise 12 (D) | Q 2.01 | Page 155
Advertisement Remove all ads
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×