Question

Evaluate B square minus 9 (B is equals to-1) square if b is equals to 1.1​

Answer 1

Answer:

Step-by-step explanation:

Given,

b=1.1

Solution= b²-9(b-1)²

( 11/10)² -9 (11/10-1)²

(121/100)-9(1/10)²

(121/100) -9 ( 1/100)

(121/100) - (9/100)

(112/100)

1.12

is the correct answer